What is Fuck You Finger?
1.
its the nastier name for your middle finger..Mainly used for signalling someone to fuck off or get fucked.
jack: hahaha did u see me give that dog the fuck you finger??
sally: hell yes how fucking nice of you...
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2.
The middle finger. The finger you use to flip people off with.
My fuck you finger is sore from fliping everyone off.
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