TSFY 

Tough Shit For You

Person 1: Aww f*ck, I have a project due tomorrow! D;

Person 2: Dude..tsfy :/

TSFY by lolmao January 9, 2009

TSFYL 

Truly Sorry For Your Lots

Source: 'How is babby formed?' meme, can be found on youtube

I'm TSFYL, Matt.

TSFYL by CAWCAWCAW September 19, 2009