Acronym for "Down To Hook-Up." Play off of the acronym "DTF" (Down To Fuck) used in the movie Superbad.
Andy: "So Chuck told Vanessa that he couldnt wait for Saturday. What do you think he meant?"
Lauren: "Oh shit. hes sooo DTH-U."
Down to Hang. Just lookin to chill with the boys or not DTF with your girl tonight. Just lettin that thang hang
This girl is like all up in my grill bein like I'm DTF but dude honestly im just DTH tonight
Call me crazy, girl, but I'm just DTH wit u
v. To send information or files via digital communication, especially to a mobile phone.
Jack : Yo killer party tonight, u DTH?
Jill : Sure, I was going to spend the night petting the cat and reading 50 shades of grey, but I guess I can make an appearance. Beam me the deets!