Top definition
UBSB stands for ultimate back stabbing bitch
Someone who doesn't mind bringing others down to reach where they have to be.
Some random chick: woah who does that thing think they are.

Sarah: oh that's a UBSB you don't wanna mess with them they are dangerous.

R/C: a what?

Sarah: The Ultimate backstabbing bitch, you don't wanna mess with them they will do anything to reach to the top.

R/C: damn..
by Vendetta ♡ November 23, 2020
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May 18 Word of the Day
When you think up something brilliantly righteous while baked.
X: I had this great highdea last night
Y: You clearly were philosopher stoned.
by TripleWest September 03, 2012
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