look up any word, like hipster:
when somebody's confused, confuckinfuzzled and is tryin their hardest to think, like when u get a stupid equation that makes no sense in 4th grade at school, the sort that mashes yer brain up so.. its a headfuck
a: " my mum, sed that her mum, didnt like his mum, coz her mum,told mr beaken that his, mum didnt like my mum, coz i told mr beaken that i liked greenhippo's so he told mrs beaken who's her mum....."
b: " wow headfuck!!!slow down blondie, say again"
by Soldja March 08, 2007
25 30
Someone you fancy (or love), who knows you do, and just strings you along and fucks with your head.
Toadie mate, be careful, that girl is a headfuck
by Car-lie October 21, 2007
215 64
A difficult or awkward situation with no obvious correct course of action, literally something which fucks with you head.
"I slept with my girlfriend's identical twin sister without realizing and don't know whether to tell her or not, it's a complete headfuck"
by Henners17 May 06, 2008
216 81
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
89 49
A concept that you can't get your head around so you just sit there and do the verbal & mental equivalent of "?".
Uh? Headfuck!
by w00t April 02, 2004
78 50
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.
Jimmmy head fucked Jane until she gagged.
by Internet August 28, 2003
95 82
1.Originally quoted from the movie "Beer Fest"...used by the german actor(Ralf Moeller) when the germans confronted the americans about the secret beer fromula.

2.It is a rearrangement from the word "fuckhead".
"How do you like that Head Fuck" - Ralf Moeller
by Neon Knight and Solid Snake April 07, 2007
21 15
A headfuck is a person who spends all hours toying with peoples minds.

This is usually done in practical joke form.
Shit, the police are the door. Oh no, it's just Leon being a headfuck.
by Younghenry May 03, 2005
69 70