B.A.T 

big ass titties: usually refers to a friends mom that has Voluptuous titties that you wish to caress and titty fuck endlessly

a friends mom that qualifies as a milf and a woman with great big titties

B.A.T by boss February 13, 2005

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 

Bitch Ass Trick. Often used in a derogatory manner to describe a person of limited positive qualities.

1. DL is a BAT!
2. Anyone on the South Beach diet is a BAT.

B.A.T by JofKB September 13, 2005

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