B.S. 

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)

B.S. by Nick D November 19, 2003

B&S 

Bait & switch: Internet, newspaper, or phone advertisements, which may include photos, written or verbal descriptions, do not match the woman who shows up, or she has been grossly misrepresented.

Escort: That agency is known for B&S.

B&S by HeavyPooner April 29, 2005

b.s 

to "bull shit" something

I don't know how to do that so I'll just b.s it.

b.s by Anonymous October 3, 2003

B.S. 

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

B.S. by annonymous December 28, 2003

b.s. 

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.!

b.s. by sven June 11, 2004

B.S. 

1) short for "bullshit"
2) short for "beer shits", a more subtle way to say it
3) A card game

1)"No way man, thats B.S."

2)"Move I got to got to toilet I got Beer Shits

3)"Hey who wants to play B.S.

B.S. by Alpha Dog666 September 29, 2008

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"

B's by Nigga West Siiiide March 26, 2008