One of many two and sometimes 3 letter words played at least 5 times a game in Words With Friends by some bastard with the effect of totally bollocksing up the placement of future tiles and sending your opponent into a dick punching rage
Fucking Dicker just busted out xi again and now theres 43 letters remaining and only room for 3 letter words.
by Bullyrammer October 25, 2013
3 more definitions
The greek letter that measures Spaeths
by bobby reck June 11, 2006
Short for Christi/Christina in the same way Xmas is short for Christmas.
by RangaMate June 28, 2010