"Back to you". Used to pass the turn to another person in collaborative work.
- Hey, I edited the paper, B2U.

+ Thanks I'll take a look.
by Bunnyman1972 April 29, 2019
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"Balls to you" it comes from Liza Minnelli saying it in a inteview, there's a 2second long video of her saying it all over the interwebs, and is used for exprecing anger.
Happy high dude: Hello my good friend, wanna get high?
Pissed of gamer: B2U

Happy high dude: What kind?
Pissed of gamer: What?
Happy high dude: What kind of beat do you want? You said beat to you!
Pissed of gamer: No, balls to you! n00b!
Happy high dude: What?
Pissed of gamer: FORGET IT!!!
by Kiipa January 15, 2011
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