Top Definition
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
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
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