grandefuck 

1) one who puts one's foot in one's mouth
2) a really good lay.

grandefuck by Anonymous April 4, 2003

grannyfucker 

A guy who bangs an old lady.

Ha ha, granny fucker!

grannyfucker by Ur mutha March 29, 2005

grannyfucker 

i.e Ashton Kutcher is a granny fucker but he is so damn gorgeous!

hah hah Aston is a granny fucker.

grannyfucker by i dunno? March 31, 2005

Grindfucked

to be fucked over in a very harsh manner; to beat down one with negative words, insults and demoralizing statements

steve and keith were playin video games until keith grindfucked steve and caused him to give up.

Grindfucked by spicy mchaggins November 30, 2011

GrapeFuck 

Being "Grapefucked" or "grapefucking" Is not commonly known and used. Although, some people are well aware of what this term means. "GrapeFucking" Is used as a very imaginative way of having sexual intercourse. It is basically using fruit to help someone reach a greater orgasm then usuall.

I love to grapefuck, It feels so good.

I grape fucked my girlfriend wilson, last night. She moaned so fucking hardcore.

GrapeFuck by shapekingFU August 5, 2009

grandmafucker 

One who fucks their grandmother

"Ewww..did you hear that Cooper is a grandmafucker?" - Person A
"No dude. That is fucking sick" - Person B

grandmafucker by CooperIsAPussy January 31, 2004

Grandfucker 

The ultimate mother fucker

Person 1 “he is suck a mother fucker”
Person 2 “no, he’s a grandfucker”

Grandfucker by VCrap February 25, 2021