Act of blowing air into a woman's vagina until her belly swells and then yanking on her pussy lips in a futile effort to make the squealing sound made by a balloon under similar conditions. It never works.
Biff: Chaz is an asshole! He told me if I gave my girl a Balloon Job she'd love it. But she just farted at me and left!
by 1troglodite April 06, 2009