a driving expression used to release your frustations at unintelligent drivers. best is used while shaking your fist.
by holly* June 15, 2003
One who either plays practical jokes on another, or who is just an annoying bitch. The word is typically used to berate a personal friend for doing something to you. I.E., if a friend shits on your chest, he or she is, by definition, a bastardcock. He or she is also fucked up. Really fucked up.
by LordMCWhite August 07, 2007