— Americana (1841): genre of American music with roots in
early folk and country music.
— boomerang child (1988): young adult who returns to live at
her family home, especially for financial reasons.
— bromance (2004): a close nonsexual friendship between men.
— continuous positive airway pressure (1975): abbreviated
CPAP; a technique for relieving breathing problems (as those associated with
sleep apnea or congestive heart failure) by pumping a steady flow of air
through the nose to prevent the narrowing or collapse of air passages or to
help the lungs to expand.
— cougar (1774): slang term for a middle-aged woman seeking
a romantic relationship with a younger man.
— crowdsourcing (2006): the practice of obtaining needed
services, ideas or content by soliciting contributions from a large group of
people, especially from the online community, rather than from traditional
employees or suppliers.
— duathlon (1988): a three-part long-distance race typically
having a running phase, a bicycling phase and a final running phase.
— fist bump (1996): a gesture in which two people bump their
fists together, as in greeting or celebration.
— helicopter parent (1989): a parent who is overly involved
in the life of his or her child.
— m-commerce (1997): business transactions conducted by
using a mobile electronic device, such as a cell phone.
— parkour (2002): the sport of traversing environmental
obstacles by running, climbing or leaping rapidly and efficiently.
— robocall (1993): a telephone call from an automated source
that delivers a pre-recorded message to a large number of people.
— social media (2004): forms of electronic communication,
such as websites for social networking and microblogging, through which users
create online communities to share information, ideas, personal message and
other content such as videos.
— tweet (1768): a post made on the Twitter online message
service.
— walk-off (1990): ending a baseball game immediately by
causing the winning run to score for the home team in the bottom of the last
inning, i.e., a walk-off homer. Also, won by the home team in the bottom of the
last inning, i.e., a walk-off win.