look up any word, like fleek:

1 definition by awesomeDEEP

 
1.
XB
XB is an upcoming spin off of the popular term XD. As the original resembles a happy face, this one resembles a hill-billy.
XB is to be used when somebody says something funny. It can also be used to replace :"XD, XP, :), lol, rofl, roflmao, lmao, lmfao...etc", as a synonym.
by awesomeDEEP October 11, 2009