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. 

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. 

When a swim coach accidently says BS in front of little kids. they ask what it means. the answer is, Bad Swimming.

Coach Mike said, "thats a bunch of B.S." in front of the six year olds. one tenetivley asks, "what is that?" realizing his mistake, mike says, "Bad Swimming."

B.S. by AdlerGrace May 16, 2010

B.S. 

An abbreviation of a derogatory term for someone on Social Welfare (Bien-etre Social) in Quebec-Canada, who likes to live like a population bloodsucker, and takes pleasure being at home watching porn on internet, eating chips and drinking softdrinks, having dentist and occulist fees paid and have no intentions on returning to work even if they have the capability to do so.

Georges : - Hey Bill, you wanna watch LOST, then 24 on TV with me with beer and chips and nachos?
Bill - I don't have time, I have to work, you're just a criss of B.S. (in French: Crisse de tabarnak de B.S.)
- Georges : Ok, never mind. I'm an idiot, I know.

B.S. by Silvaind December 24, 2008

B.S. 

Brittney Spears, and all the shit she's pulling off now. A stupid-ass bitch, a drunk monkey, a wannabe Jessica Simpson,
all that shit.

Alex: what's on TV?

Jeff: the wannabe pop-princess, B.S.

B.S. by pimpmaster25 March 9, 2008