TSTF 

Too Stoned To Function

"Hey you wanna go to the game"
"Nah, TSTF"

TSTF by Jumpin jack October 29, 2009

TSTF 

Too Swole to Function

Yeah man, he TSTF!

TSTF by CackMaster69 June 5, 2011

Tstf 

The girl who is damaged or has too much daddy issues.

That girl got issues, she's to sick to fuck! Tstf

Tstf by Aseboen January 17, 2021

TSTF! 

"To Shape Teh Future!". Commonly used by uber-haxx0rs to greet each other.

tstf, dude!

TSTF! by nostromo March 16, 2004