Someone who likes to know all information about another human being and then turn around and use that information against them by telling a mutual party without permission.
Erin is such a shit-stirrer, she went and told my ex information that was not hers to share.
by gojags00 September 21, 2020
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Person A: Oh god, I think I coffee stirred someone.
Person B: Coffee stir?
Person A: I put my fingers in someone's arse!
Person B: You're a coffee stirrer!
by TranTran December 12, 2011
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When having sex with a girl who’s just been filled with another man’s cum and are then the porridge stirrer
Stacey fucks me
I cum in stacey
Stacey goes home and has sex with her boyfriend
He is now my porridge stirrer
by DanksyDan November 4, 2022
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