1 definition by taipeileviathan

Top Definition
Abbreviation for "the fuck shut up". As Plato once spoke through the character of Socrates to give us the cave allegory, Jesus Diaz of Gizmodo.com has spoken through Yoda to tell Luke Skywalker to TSFU.
persons A, B, and C: "The new iPod will look fantastic next to our iPhones and iMacs!"
person X: "TFSU! You guys are all Apple fanboys"
by taipeileviathan August 23, 2007
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