Braincracking denotes an unusual outbreak of mania of various kinds. Symptoms range from epilectic outbreaks to spacing out. Causes are, among others, too much drugs, too much Hakke power Hardcore music, too much gaming, etc...
Friend A: "have you ever heard a sound?
With your head in the ground?
and you're afraid to say,
and it won’t go away..
that’s a sign you get braincrackin..!"
Friend B: ...ehm....lets go play quake 3 and listen to Neophyte's braincracking song, HAHAHA!!"