Top definition
The bra that gives horny men false hope by giving flat-chested women impressive-looking breasts and cleavage.
The reason they call it the wonderbra is because men wonder where the titties went when the bra comes off.
by bigtones June 15, 2007
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2
Man's greatest invention; it's a breast-enhancing bra that lets small-breasted women look as though they've got an impressive rack.
All my friends think my girl's got big cans, but she doesn't...she's just wearing a WonderBra to make her chest look bigger!
by 'Drew August 16, 2003
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3
The source of ungifted women's happiness, and false advertisement for men.
"Nice rack, girl!"

"Thanks..." ~Removes bra~

"What the HELL!? Uh, gotta go!"
by Morbidia May 29, 2005
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4
It's called a wonder bra because once it's removed you wonder where they went
A: She had a killer rack but when she took her wonder bra off, they were gone

B: That's crazy man
by Cornelius T Durden April 14, 2010
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