HU4 

Abreviation of "heads up for"
1. Often used when someone wants to call others attentions and respect for some matter.
2. To warn a dangerous situation.

1.
Friend 1: Hey, Dude, I've been looking for you all weekend! What the hell were you doing and fucking where?
Friend 2: Sorry, Dude, my girlfriend's parents travelled so I went there and stayed. HU4 the newest non-virgin in this room!

HU4 by Gabbi_Sky March 23, 2010

HU4Rollz 

Short for 'Heads-Up For Rollz' (as in bankrolls), usually phrased as a question. HU4Rollz is frequently used by poker players to challenge other players to play heads-up for their entire bankroll.

fish: you are such an idiot for making that call with ace high
shark: HU4ROLLZ bitch?

HU4Rollz by sinner evans July 4, 2008

HU4L 

Hollywood Undead is a band whose music has been described as a mixture of hip hop, emo and metal. The band originated in 2005.

HU4L = Hollywood Undead 4(for) Life.

Man, i'm going to see HU tonight down at the dome.

Dude, HU4L!

HU4L by AmorshC October 17, 2008

HU4L 

cyber/text language for 'hate you for life'

person 1: "sori man i jst dnted ur car :( "

person 2: "omg r u bein serious?! HU4L!!"

HU4L by LetItRoam June 8, 2010