An acronym used to describe laughter, somewhat like lol, lmao, lmao, lmfao, lmmfao, rotflmao and so on and so forth. This one in particular means "Head Cocked Back Catching Bugs"
T: I just sent you a new picture, lemme know when you get it...
C: HCBCB... woman did you just send me another pic of ur
booty...
T: Lol maybe.... hows that snapshot workin for ya?
