The Oxford Dictionaries Online quarterly update has added a few new words including "twerl" and "selfie." Here is a list of a few of the new words and their definitions:
apols, pl. n. (informal): apologies.
buzzworthy, adj. (informal): likely to arouse the interest and attention of the public, either by media coverage or word of mouth.
double denim, n.: a style of dress in which a denim jacket or shirt is worn with a pair of jeans or a denim skirt, often regarded as a breach of fashion etiquette.
emoji, n: a small digital image or icon used to express an idea or emotion in electronic communication.
fauxhawk, n: a hairstyle in which a section of hair running from the front to the back of the head stands erect, intended to resemble a Mohican haircut (in which the sides of the head are shaved).
food baby, n.: a protruding stomach caused by eating a large quantity of food and supposedly resembling that of a woman in the early stages of pregnancy.
geek chic, n.: the dress, appearance, and culture associated with computing and technology enthusiasts, regarded as stylish or fashionable.
grats, pl. n. (informal): congratulations.
guac, n.: guacamole.
phablet, n.: a smartphone having a screen which is intermediate in size between that of a typical smartphone and a tablet computer.
selfie, n. (informal): a photograph that one has taken of oneself, typically one taken with a smartphone or webcam and uploaded to a social media website.
srsly, adv. (informal): short for ‘seriously’.
twerk, v.: dance to popular music in a sexually provocative manner involving thrusting hip movements and a low, squatting stance.
unlike, v.: withdraw one’s liking or approval of (a web page or posting on a social media website that one has previously liked).
Check out the whole list of new words here.