Mwahahahhaah is in the dictionary??! What??? I didn't know this was even a word. I know want to play scrabble and win some major points!
Definition according to Oxford Dictionary :
used to represent laughter, especially triumphal or cackling laughter such as that uttered by a villainous character in a cartoon or comic strip:World domination, at last, is at hand. Mwahahaha!
Selfie! of course this would be in the dictionary. I think I see this everyday on my facebook or instagram account.
noun (plural selfies) --(also word of the year!!)
a photograph that one has taken of oneself, typically one taken with a smartphone or webcam and uploaded to a social media website:occasional selfies are acceptable, but posting a new picture of yourself every day isn’t necessary
Another unfortuante word that is added to the 2013 Oxford Dictionary is... are you ready??!
TWERK! (Oh thank you Miley Cyrus)
dance to popular music in a sexually provocative manner involving thrusting hip movements and a low, squatting stance:just wait till they catch their daughters twerking to this song twerk it girl, work it girl