A person's private area, coined by Dane Cook.
Dane Cook: ".. the first time you're gonna see the other person's downtown bonanza. And so you check it out and you hope that it's nice, and I'm happy to say she had a nice situation."
by euroboy September 23, 2005
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To insert one's hand into the rectum of another and proceed in speaking in sign language.
I was boning this chick, and i decided to give her a Helen Keller Downtown Bonanza
by Dave Berkowsky October 1, 2007
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