Stands for: Too Fucking Far. To be used when someone takes an already dodgy conversation too far with a very inapropriate comment.
Guy 1:Your mum is soo hot!
Guy 2: Damn I would love to hit that!!

Guy 3: Dude TFF!!
by saije November 13, 2010
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Wow! Lilly from the gym today had a TFF! She has a total fuckable face!
by Juiceifer September 2, 2023
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