b/a 

One who thinks they are badass or really gnarly and tries to get this point across through actions and/or stories but in reality is a total poser. (back alley kid)
Can be noun or adjective.

That new kid thinks he is a b/a just cuz he smoked weed one time.

What a dick, he thinks he is b/a for throwing a ball at that nerd.

b/a by L30C March 18, 2009

b/a 

abbreviation for badass. it just sounds cooler

Dude thats pretty b/a

b/a by Fucking logan July 19, 2010

b/a 

Boob/Age, or Boob over Age.
A ratio I made up -- it's a girls boob size divided by her age.
Optimally, when diviede, the ratio should equal about 2.5. Thi is based on 35/14 (35b on a 14 year old).

Wow, she has a 2.5 b/a. Nice ratio.

b/a by bobie March 18, 2005

B.A.

Bad Ass
Being of an awesome state
A Hard-Core Person

"Me and my team of total Bad Asses are here to protect you." - Aliens

An awesome person, with powers beyond a normal human being.

B.A. by A.J. January 22, 2004

b.a 

b.a is the slang term for the word badass

hey dude that jump was b.a

b.a by IDAILILAS February 8, 2009

B A 

Another great way to say, "Bas ass".

Dude... That guy just ate like 6 of those things. He's pretty B A.

Or...:

I just got laid. I'm feelin' pretty B A.

B A by #4 March 4, 2005

B.A.

Someone who lives life on the edge and rides the metro when they're not suppose to.

OMG! That girl over there,Janine, who is breaking all the rules is such a total B.A.

B.A. by B.A.'s April 16, 2008