These are some words and phrases that have recently come into English. The list comes from WordSpy.com, where you can find more than 3,000 other words as well.
 

Culture / sociology / The World
Brexit (n) The exit of Great Britain from the European Union.
wokeness (n)The state of being aware of and sensitive to social justice issues.
feebate (n)A government program designed to reduce energy use and pollution by levying a fee on fuel-inefficient vehicles and offering a rebate on fuel-efficient vehicles.
decacorn (n)A technology company that is less than ten years old and worth more than ten billion dollars.
threenager (n)A three-year-old who displays the moodiness and attitude of a teenager.
red-chip (j)Describes a stock issued for a publicly-traded Chinese company.
eco-anxiety (n)Worry or agitation caused by concerns about the present and future state of the environment.
de-conflict (v)To avoid conflict; a military strategy that attempts to route planes and other vehicles so they do not conflict with each other.
craftivism (n)The use of crafts such as knitting to further political, social, or other activist causes.
bingeable (j)Compulsively and excessively watchable or consumable, particularly a TV show or food.
pull-aside (n)An informal meeting between leaders, officials, or diplomats at a public event..
manspreading (n)The act of a man sitting with his knees spread widely apart, particularly when this crowds people next to him or prevents someone from taking an adjacent seat.
makerspace (n)A workshop that offers tools, materials, and expertise for people to work on do-it-yourself projects.
gig economy (n) The economic sector consisting of freelancers who take on a series of small jobs, particularly when those jobs are contracted online using a website or app.
dadbod (n)A male physique characterized by a slight flabbiness, undefined musculature, and a noticeable beer belly; a man who has such a physique.
momager (n)A mother who manages the career of one or more of her children; a manager who performs the duties of a mother.
swatting (n)A hoax that involves phoning police and providing false information that causes the dispatch of a SWAT team to the hoax victim's home.
walkscore (n)A measure of how amenable a neighborhood is to walking.
trigger warning (n)Advance warning that a book, movie, or other material has content that could trigger emotional distress or a traumatic reaction.
mommy porn (n)A literary genre that includes elements that allegedly appeal to mothers and housewives.
normcore (n)A fashion trend that features bland, mainstream styles and colors.
listicle (n)An article or news story that consists primarily of a thematic list of short items.
sufferfest (n)A period of extreme suffering or discomfort brought on by intense physical exertion.
    *festWords containing *fest (top 800 hits), e.g. horrorfest, borefest, smashfest
catfishing (n)The elaborate fabrication of an online identity to trick a person into a romantic relationship.
sapiosexual* (j/n) A person who is sexually attracted to intelligent people.
demisexual (j/n)A person who only feels sexual attraction in the context of an emotional or romantic relationship.
    *sexual*Words containing **sexual* (top 400 hits), e.g. metrosexual, demisexual, pansexual
nomophobia (n)The fear of being without your mobile phone or without a cellular signal.
    *phobiaWords containing *phobia (top 500 hits), e.g. photophobia, dronophobia, robophobia
omnishambles (n)A situation or person that is a mess in every possible way.
humblebrag (n)An ostensibly humble comment that also demonstrates the person's wealth, fame, or importance.
FOMO (n)The fear of missing out on something interesting or fun, particularly when it leads to obsessive socializing or social networking.
precariat (n)People whose lives are precarious because they have little or no job security.
filter bubble (n) Search results, recommendations, and other online data that have been filtered to match your interests, thus preventing you from seeing data outside of those interests.
range anxiety (n)Mental distress or uneasiness caused by concerns about running out of power while driving an electric car.
collaborative consumption (n)An economic model in which consumers use online tools to collaborate on owning, renting, sharing, and trading goods and services.
churnalism (n)Journalism that churns out articles based on wire stories and press releases, rather than original reporting.
birther (n)A person who believes that United States president Barack Obama was not born in the United States, and is therefore ineligible to be president.
truther (n)A person who believes that the United States government perpetrated or allowed the terrorist attacks of September 11, 2001.
staycation (n)A stay-at-home vacation.
glamping (n)A form of camping that includes expensive equipment, fine food, and other luxuries.
locavore (n)A person who eats only locally grown food.
voluntourism (n)Travel that also includes volunteer work.
freegan (n)A person, usually a vegan, who consumes only food that is obtained by foraging, most often in the garbages of restaurants, grocery stores, and other retailers.
gayborhood (n)A neighborhood that is significantly or predominantly gay.
social jet lag (n) Tiredness and disorientation caused by forcing one's body to sleep at unnatural times due to work commitments.
continuous partial attention (n) A state in which most of one's attention is on a primary task, but where one is also monitoring several background tasks just in case something more important or interesting comes up.
parkour (n)A sport in which participants run, climb, and leap over urban structures.
Computers / technology / science
Uberization (n)The conversion of existing jobs and services into discrete tasks that can be requested on-demand; the emulation of the Uber taxi service, or the adoption of its business model.
selfie stick (n) a device in the form of a rod on which a camera or smartphone may be mounted, enabling the person holding it to take a photograph of themselves
hearable (n)A small computer or electronic device designed to be worn in the ear..
fracklog (n)Gas or oil that is ready to be fracked, but remains in the ground pending higher petroleum prices.
digital detox (n)Time spent away from computers and other digital devices.
    digital NOUNdigital + NOUN (top 700 hits), e.g. digital spy / drugs /
camgirl (n)A girl or young woman who broadcasts live pictures of herself over the web..
droneport (n)An airport or hub designed for or dedicated to drones.
data lake (n)A massive amount of data stored and readily accessible in its pure, unprocessed state.
    data NOUNData + NOUN (top 800 hits); e.g. data gap / hogs / lives
smartwatch (n)A wristwatch that can run apps, access the internet, and contains one or more sensors.
    smart*Words containing smart* (top 400 hits): e.g. smartscooter, smartwater, smartart
airpocalypse (n)Extreme air pollution caused by a combination of smog, dust, and weather.
    *alypseWords containing *alypse (top 400 hits): e.g. apocalyse, snowpocalypse, zombocalpyse
catfishing (n)The elaborate fabrication of an online identity to tri
breadcrumbing (n)A navigation feature that displays a list of places a person has visited or the route a person has taken..
MOOC (n)An online course open to anyone and designed to handle an extremely large number of students.
Eurogeddon (n) An extreme European economic, political, or military crisis.
    *geddonWords containing *geddon (top 200 hits), e.g. carmageddon, stormageddon, hairmageddon
phablet (n)A device that combines the features of a smartphone and a tablet computer.
hackathon (n)A collaborative programming session, particularly one lasting several days.
    *athonWords containing *athon (top 400 hits), e.g. laughathon, funathon, stavathon
cleantech (n)Technology that is itself environmentally friendly or that helps reduce environmental problems; the business sector that produces such technology.
digital native (n) A person who grew up in a world with computers, mobile phones, and other digital devices.
    digital NOUNdigital + NOUN (top 700 hits), e.g. digital spy / drugs / giants
locavore (n)A person who eats only locally grown food.
upcycling (n)A process that takes used or recycled materials and creates a new product with a higher quality or value than the original materials.
ransomware (n)Malicious software that encrypts a person's computer files and demands a ransom to decrypt the files.
    *wareWords containing *ware (top 500 hits), e.g. adware, crapware, Slackware