b.c. 

Abbreviation for "birth control (pills)," used most commonly by girls.

Girl 1: Oh shit, I forgot to bring my b.c.! This is going to ruin my vacation.
Girl 2: Don't worry; we passed a Planned Parenthood on the way here. They're bound to have some free b.c. lying around.

b.c. by slammdunc23 February 28, 2011

B.C. 

(As in "Before Christ") Term occasionally used in Southern California as a synonym for "old school."

"Dat shit's so old-school it's B.C.!"

B.C. by Purple Donkey September 3, 2009

B.C. 

Before the Cash. Someone's lack of cash status, usually a man, and usually someone who has potential, but is at poverty or just above poverty level then hits it big: wins the lottery, gets a record deal, major league sports deal, sells his dotcom or biz, inherits money, and then is rolling in the cash.

Golddiggers try to spot the B.C. guys so that when the B.C. guys hit the cash, the golddiggers will be right there, ready to pounce.

B.C. by Sarasplayroom.com April 12, 2009

B.C. 

British Columbia is a Canadian province located in the West of the country on the Pacific coast.

Vancouver is the capital of B.C.

B.C. by Dalton McGuinty the thrird April 10, 2006

B.C. 

Before Cellphones.

Now any event before 1985 can be considered B.C.

B.C. by frankiewashcloth March 27, 2010

B.C. 

a high quality, potent strain of marijuana, native to British Columbia Canada

haha im sellin this bullshit and keepin this B.C. for my own personal use

B.C. by BRiaNFreakin #2 April 27, 2006

B.C. 

Bad Cunt

guy 1 : lets go steal that kids moneyz !!
guy 2 : your such a B.C.

B.C. by lolmao !! aussiez November 5, 2008