Top definition
FTSN stands for "Fuck that shit Nigga". This is extremely useful when something bad happens and you want to express your discontent.
Ah shit I got an F on this Midterm.

Dude FTSN, let's go out and drink.

Yeah, mos def.
by 118CD October 23, 2008
Get the mug
Get a FTSN mug for your brother Abdul.