a grotesque act of reminiscing one's earliest day by burying the whole head into a woman's womb, through the vagina.
i wonder if head fucking is possible.
by misterO July 29, 2003
When you actively thrust your penis into your partner's head while receiving a blowjob. If you go too deep, it can trigger a gag reflex.
"She went down on me last night, but I got a little too excited while head-fucking her and she gagged."
by shadya_pervytra April 18, 2015
when something fucks with your head. Your head is probably fucked if you're looking this up.
This math problem is so head fucking!
by paulTheMajestic March 06, 2013