somebody with insane amounts of knowledge, don't use wikipedia, use your fucking grandpa to give your shitty answers that only your grandpa will know
Richard: Grandpa, is wikipedia bad?
Grandpa: oh yes it fucking is
Richard: what is a dick
Grandpa: you
Richard: oh my god so fucking true
A person is older then you and acts like they know everything
Shut up you Grandpa
Your sweet old man who, tells the best jokes, gives you money, You get 100 bucks for turning their tv on. Basically the best people ever
"My grandpa gave me 100 dollars just because I turned their tv on!!!"
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.
when an older gentleman has sex but his spray on tan rubs off on the bed sheets
watch out for randy, I hear he's a real rusty grandpa