Older men who chase after younger women.

Grandpa Roosters are usually found hanging out in modern establishments while checking out the young hot chicks. They try to avoid being seen with the Old Hens (the women in their own age group).
Hey check out creepy Grandpa Rooster over there, he's been pecking around the younger chicks all night! How embarrassing!
by Blue Topaz February 10, 2011
Get the Grandpa Rooster mug.
You have intercourse with you’re mom and have a sister, then have intercourse with her and her child will become your grandson/granddaughter and it will be your sisters kids so your also a uncle grandpa
Let me tell you the story of how I became Uncle Grandpa
by I hrhejejdb June 4, 2019
Get the Uncle grandpa mug.
when u pat someones ass and use the middle and ring fingers to go between the ass checks in effort to cop a butthole, vagina, or even balls. Often used by dirty old men.
"man, i hate going over to uncle pete's hes always tryin to grandpa pat me!"
by aaron & evan April 4, 2008
Get the grandpa pat mug.
A term used to refer to men that wear stained undershirts and are typically associated with perverse behaviour and interests. Ketchup Grandpas are known for their grunting and licentious propositions.
"Man, Greg is such a Ketchup Grandpa."
by Uncle Fingerz December 15, 2012
Get the Ketchup Grandpa mug.
An older gentleman, usually in their late 50’s or early 60’s. Ripped and dressed in board shorts mostly found around pools in the South Florida area preying on women 20 or 30 years their junior.
Hey! Look at Grandpa Beefcake and his son over there hitting up those spring breakers drunk on hard seltzer at the pool.
by NautilusP July 3, 2022
Get the grandpa beefcake mug.
When your testicals sag unusually low for extended periods of time resulting in discomfort or pain.
Ex: I couldnt sleep last night cuz my grandpa nuts kept gettin tangled up in my boxers.
by Dnewmanson February 2, 2016
Get the grandpa nuts mug.