B.A.T. 

It's short for Bitch Ass Trick.

I gonna slap that B.A.T.

B.A.T. by K spec September 19, 2005

B.A.T. 

BIG ASS TITTIES!!!!

to have big ass titties.

she's got B.A.T.!

thats a B.A.T.!

I LOVE B.A.T.S!!

B.A.T. by motorboater March 19, 2007

B.A.T. 

The abbreviation of Big Ass Tits. A woman may be described as a B.A.T. if she has extraordinarily large breasts.

Alex: Dude do you see that B.A.T. over there?

Ryan: Damn dude I'd tap that

B.A.T. by Adrr1 November 14, 2009

B.A.T. 

Better As a Thumbnail

Ugh. I thought that dude on Grindr was fucking hot until I clicked on his profile. Totally B.A.T.

B.A.T. by pan man April 15, 2015

B.A.T. 

-acronym for "Bitches Are Trifling"
-a mantra used by many man and by other haters of the fact that bitches can be trifling

"Dude, this girl I've been dating is completely blowing me off. What gives??"
"I'm sorry to hear that, buddy. That's why I say B.A.T."

B.A.T. by bornofdesire32 October 23, 2007

B.A.T. 

Busted Ass Toe Nails. Disgusting Feet. Commonly seen when a person is barefoot or wearing flip flops with complete disregard for the eye sight of others.

That lady has a gnarly set of B.A.T's. B.A.T.

B.A.T. by A NAME THAT WAS AVAILABLE August 12, 2009

B.A.T. 

A female with large breasts.

B- ig
A- ss
T- itties

B.ig A.ss T.itties

Daaaaaamn she got some B.A.T.s!

B.A.T. by eazy_e_bo June 23, 2014