Grandpa Hitler

A 'Grandpa Hitler' refers to the act of finishing upon the upper lip in a clean, solid block

He could not hold it in any longer, and burst out laughing. She rushed away and was met with a strange image in the mirror, what she could only describe as a Grandpa Hitler.

by IKnowThings69 May 31, 2017

Ur Grandpa hoe

Worst insult ever worst than ur mom gay, ur dad lesbian, ur granny tranny

Mark: Ur mom gay

Charlie: No u

Mark: Ur dad lesbian

Charlie: Ur Granny Tranny

Mark with a smile: Ur Grandpa hoe
Charlie instant death

by Nexuzmasterpro May 10, 2018

grandpa hopper

When a person sneaks up behind another person, then violently lifts their knee to strike them in the crack of the ass.

If you don't shut up, I am going to grandpa hopper you.

by Super E Money October 18, 2007

Redneck Grandpa

"Redneck Grandpa" "The Redneck Grandpa" or "RGP" appears on YouTube videos uploaded by his grandson (the jackass). His grandson uploads videos of Redneck Grandpa's road rage, which includes honking, cursing, and calling the cops.

Person 1: "The new Redneck Grandpa video was crazy!

Person 2: "I know! Redneck Grandpa is so funny!"

by RamRanch18 March 6, 2023

Uncle-grandpas

A term used to describe pyjamas only an old man would wear.

Did you see John last week? He ran across the street in his uncle-grandpas!

by GrandpaJoe1240281 October 29, 2020

Grandpa

A grandfather.

Grandpa and the kids were having fun

by the random. October 29, 2021

Grandpa is here

When you want to read an Urban Dictionary definition, but you realize your Grandpa is here and need to clean it up

I was going to read the definition of vacation dick, but I realized my grandpa is here

by BillyBSevenOne July 3, 2022