1) short for "bullshit"
2) short for "beer shits", a more subtle way to say it
You: "Let me use the shitter, I've got serious B.S.!"
Your grandma: "Shut up, that's total B.S. Anyway I need to piss like a racehorse."
You: "Move bitch!!! Oh shit I'm not gonna make it!!!"
(doesn't make it)
by Nick D November 19, 2003

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b.s
to "bull shit" something
I don't know how to do that so I'll just b.s it.
by Anonymous October 03, 2003

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Abbreviation for "Bachelor of Science" (an academic degree designation). Often seen on individual curriculum vitae(resumes).

Occasionally appears as "BSc."
Dr. Joe Smith

B.S. - Harvard Beauty School
M.S. - Guatemala University, School of Graduate Studies
Ph.D. - Ohio Internet University
by annonymous December 28, 2003

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B's
An abbreviation that is short for Bloods
"Make the West Coast rise forever
Ese's, B's and C's, represent your letter"
by Nigga West Siiiide March 26, 2008

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bs
stands for:
1. bullshit
or
2. backstab (mostly in online gaming)
1. that was total bs
2. no bs in game
by definerX April 07, 2007

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An abbreviation of a derogatory term - bull shit, barbara streisand, back stabber (synonomous) for the worst thing you can call or do to someone.
That's a bunch of b.s.!
by sven June 11, 2004

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BS
BS means bull shit but it also means butt sex.
Person 1: THIS IS BS!
Person 2: Butt sex? lmao
by Alyyyyyyyyyyyy January 02, 2009

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