look up any word, like bukkake:
 
1.
Huge breasts, especially ones that break free of a woman's bra.
Salma Hayek is known just as much for her big breasts as she is for her acting. Those bra busters really put on a show of their own!
by HyperKnight May 28, 2008
 
2.
A girl or woman with big tits. A chick who is stacked. Someone who has big jugs.
"Look at her! Those must be D cups, at least."

"Yeah - she's a real bra buster!"
by PMax March 10, 2008
 
3.
A girl or woman with big tits.
"Look at her! Those must be D cups, at least."

"Yeah - she's a real brabuster!"

by PMax February 23, 2008
 
4.
Boobs.
"My Brabusters are tiny, I wish they were like yours..."

"Megan Fox's Brabusters are HUGE, that's just PFM"
by Awkward. June 07, 2014