Grandad

When you absolutely plough the shit out of the side of someone's thigh with your knee, hence named because they will be walking like a grandad for the rest of the day.

"Hey Joffy, if you don't pass me a beer I'm gonna grandad the living shit out of you!"

by Frankoyo December 02, 2013

Grandad

When you hand a printed dick pic to a woman.

I was at the bar and some old guy grandadded me....so many gray pubes🙄

by Steelbeast November 01, 2020

Grandad

Pervy old man who taps girls on the ass.

me: omg here comes grandad
you: oh fuck.
grandad: hi baby *tap tap*

by grandads girl LOL January 23, 2009

Grandad

When you fuck him with a strap on and he yells his grandads name.

I dumped him cus he did the grandad.

by Jimby Bobbinson May 03, 2018

Grandad

When someone insults you then you tell your grandad

Your grandad that’s why

by Crjames September 27, 2019

Grandad

A person who is old and gray and spoiled ya rotten and always goes to mass

Hi grandad

by Rugbyface10 December 17, 2018

grandad

A older gentleman. Often a postman called Kevin

Kevin you are such a grandad

by Chicken83 April 08, 2007