Skullfuck 

v. The action of inserting one's erect penis into the eye-socket of another person and proceeding to thrust your hips back and forth, thereby "fucking" their skull.

"Look at me while I skullfuck you"

Skullfuck by Temptation September 7, 2005

Skullfuck 

When somebody is fucked through the eye socket. I wouldn't know what it feels like, but it's probably nice.

John: I skullfucked lisa yesterday.

Skullfuck by Thomas Simonson January 9, 2008

Skullfuck 

What morticians do late at night with helpless morgue stock

Not to be confused with Skullcandy

Don't be such a stiff, loosen up a little, I wanna Skullfuck you

Skullfuck by F!$h!e February 4, 2010

Skullfuck 

To fuck with one's mind/to play mindgames.

Dick skullfucked Jane when he was messing around with someone else and telling her she's the only one for him.

Skullfuck by Shermanson February 22, 2011

Skullfuck 

Name of a Greatful Dead double LP (WB 66 009) from 1971 with live recordings of:
Bertha
Mamma Tried
Big Railroad Blues
Playing in the Band
The Other One
Me & My Uncle
Big Boss Man
Me & Bobby McGee
Johnny B. Goode
Wharf Rat
Not Fade Away
Goin' Down the Road Feeling Bad

The word 'Skullfuck' is not visible anywhere on the record but is used by 'Deadheads' when discussing the edition.

Skullfuck by GregorS December 3, 2006

Skullfuck 

to pierce somones skull with your pennis

Shutup or ill get he man to skull fuck you.

Skullfuck by toolio... September 16, 2005

Skullfuck 

To smoke a cigarette/cigarillo until it is down to the filter and then taking one last drag, therefore, fucking your skull.

Jason: Are you finished with that smoke?
Andrew: Yeah.
Pat: Skullfuck that shit, pussy.

Skullfuck by StonedTaco January 9, 2009