An interjection expressing extreme indifference to or disdain of another person's ideas or presence. Also can be used to express displeasure about a situation. (Note: the T and S must both be clearly pronounced.)
Creepy guy: Hey girl you got pretty eyes, can I get your number?
Christine: Tsuh.
Steve: Dude check out my star wars toy collection!
Ted: Tsuh.
Jenny: WTF, this bar is out of Stoli Orange?!?
Mandy: TSUH!
Stands for "The Fuck Shut Up" as popularized on Gizmodo.com as Yoda's version of STFU. Yoda's old grammatical ways lead him to speak this phrase in a way that baffles most web surfers.
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 iPodwill look fantastic next to our iPhones and iMacs!"
person X: "TFSU! You guys are all Apple fanboys"