It means- "Down To Fish" according to Vinny on the show Jersey Shore. Down To Fish can be used as an alternative if there's a girl wants you and truly doesn't know the meaning of "DTF" which truly means "Down To Fuck".
Hoe: Hey what does DTF stand for?
Vinny: Down To Fu....Down To Fish!
Hoe: Oh okay let's go fishing.
Vinny: I really would like to but I just ate a 3 dollar burrito and I really need to drop the kids off at the pool, sorry.
7๐ 12๐
Abbreviation for "Doomed to Fail."
Are you serious? That idea's DTF.
Never gonna happen. DTF.
76๐ 248๐
Having sexual intercourse with a stocky fat women
A dirty taj fucker
36๐ 121๐