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1.
wb
welcome back
xQ : im back!
xD : wb
by Anonymous January 14, 2003
 
2.
wb
A common instant messanging abbreviation meaning "Welcome back".
AIMsn123: Hey, I'm back
KoolKid3333: wb, man
by Jonathan Samuels May 29, 2006
 
3.
Wb
1. Shortened form of "welcome back"
used a lot in instant messaging

2. Shortened form of "write back" Usually wirtten at the end of online messages/ emails, and sometimes texts as an alternative of TB
1.
Guy: HEY! WB, i missed you, where'd you go?

2.
"Hey, how r u, what u up to? Wb Guy"
by Smooth-talker July 18, 2009
 
4.
W.B
Would bang
Mark: "Dude check out this picture of our substitute tomorrow! W.B?"
John: "Oh W.B for sure."
by The armadillo October 31, 2013
 
5.
wb
Write Back
Goodbye! WB soon
by Rachel June 16, 2004
 
6.
WB
A television network known for cancelling good shows and airing teen dramas with terrible writing. Short for "We're Bastards" or "Warner Bros." depends on who you ask. Could be a noun or verb.
The WB cancelled my friggin' show!

The principal WB-ed our school play.
by Mekka April 23, 2004
 
7.
WB
The biggest rave of the year. Only the coolest babes and most lavishing males are allowed to attend. Alcohol, raving, spicy tunes, and sexual behaviour will often be in presence during a "WB" festivity. DJ NÏRO spins the best tracks and thus rave attire (tight and bright) is strongly suggested but not compulsory.

Note: Can also stand for, but is not restricted to, "welcome back".
John: Are you pumped for WB this weekend?
Dave: Fuck yeah, it's gonna be sickkkkk!
by WBRaver01 March 28, 2013