grandbully 

When you find yourself talking over your grandkids to be the first to explain something.

I discovered I was a grandbully when I found myself talking over my young grandchildren to be the first to tell their mother how great the movie Ugly Dolls was.

grandbully by Gma_mcjazz July 15, 2023

Granbull 

The eveolved form of the pokemon Snubull. Has large, heavy, razor sharp fangs that protrude from it's mouth.

Oh no he has a Granbull in his party.

Granbull by Light Joker April 21, 2004

Grandballin' 

Sex with someone over the age of 65.

"I was grandballin' your mom all night"
"You sneaky motherfucker!!"
"Exactly."

Grandballin' by scrappington2 September 20, 2014

grandbullin

To dream up schemes that arent practical. To think of things that seemed to be doable while being planned, but in reality they are virturally impossible

Man u cant climb ontop of that building with just a pair of screwdrivers, U grandbullin.

grandbullin by Tha Whisper king January 28, 2008