The feeling you get when an idea or concept is beyond your understanding. Also used to describe the idea or concept that causes head-fucking.
"You know that painting by Dali with the elephant with the giraffe legs? That gives me a serious head fuck, man."
by Mr Ben February 10, 2005
A concept that you can't get your head around so you just sit there and do the verbal & mental equivalent of "?".
by w00t April 02, 2004
The act of fucking someone's head or a blowjob in which the man thrusts his penis in the woman's mouth in an act of fucking her head.
by Internet August 28, 2003
by Check this shit out October 11, 2003
whe you are smoking a joint and you breathe in and out really quickly then whistle a joint stick ur head in the air grab ur neck and suck in till you cant any more then let it out, ultimate effect
by will_walker June 17, 2007
The traditional post birth examination of the vaginal passage and uteral regions to ensure effective removal of the plecenta.
by Ugg May 03, 2003