What is I Had Yer Grandma Last Night?
1.
It litterally means "I had sex with your grandmother last night."
It just removes the word 'sex' to make it shorter, like any other slang term.
Ryan: "Yo man, what were you doin' last night?"
Jack: "
I had yer grandma last night "
Ryan: "What the hell man?! That's sick!"
See
Random Words:
1.
Someone who sucks dik
Rood boi 1- dat gal smokes bone
Rood boi 2- yeah shes gud at it
2.
One who plays for the other team, i.e. a ho..