Verb used to describe the act of randomly bailing from any situation with no explanation or reason.
"Hey, where did Brewy go?"
"I dunno man; I think he just Up-and-B'd!"

"Fuck it, Imma Up-and-B this shit."
by Red Leather April 4, 2010
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To commit suicide. Comes from the shortcut to delete your save file in older Pokemon games.
I'm about to Up-Select-B.
by AtlanticComputer October 13, 2020
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A directional move used in Super Smash Bros to achieve extra height after a double jump.
Kirby used his Up B to get back onto the level.
by Balls Kolano October 9, 2008
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Amanda says: What up B?
Shellee says: notta girlie what it is ?
by Shellee July 4, 2006
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to say that you are going to go home
I'll see you guys later, I am going to hoist up the john b's sail.
by bgomez August 20, 2006
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When smash bros players for example Link or Palutena can up b every now and then to keep the opponent away from them.
Shit this ganondorf got me cornered I gotta up b to keep em away from me
by Kxrey July 4, 2023
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