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Meaning "Thank Satan It's Friday"

Similar to "TGIF", but used by Satanists.
TSIF! I'm going to drink some pig blood.
by Bloodbath87 March 04, 2009
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Cleveland Steamer Plush

The vengeful act of crapping on a lover's chest while they sleep.

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2
Guy 1 : Gawd Damn this is some good ass ice cream.
Guy 2 : Let me get a lick of that shit dawg.
Guy 1 : TSIF
Guy 2 : Come on, you know I'm straight busted till the furst of da Month.
by bymoosek February 19, 2009
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Dirty Sanchez Plush

It does not matter how you do it. It's a Fecal Mustache.

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