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!"
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1.
This is the theory that the average man will judge whether or not to try and sleep with a girl based on her circumference index.
If guy..
1.
code for when a females "lips" are hanging out of her shorts
susie's turkeys fly at midnight
See pussy, lips, loose lip..
