Backhead is quite literally the back of the head. It is the part of the human skull that protrudes away from the face. When viewed from the side, backhead is the portion of the head that hangs out over the back of the neck.
Bruce Bowen has ridiculously large backhead.
by limoz33n March 26, 2009
A type of bacne, defined by numerous, deep tissue blackheads burrowed in the skin.
Oh man, could you hand me that scratcher? I've got some serious backheads.
by The Drunken Ninja October 26, 2009