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The little brown hard bit at the bottom of a banana.
don't eat the bonanus, rick.
by Bunnyavenger March 10, 2004
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2
(Noun): the bonus anal sex you give your man after he's been extra good to you. Combination of bonus and anus as well as boner and anus.
Guy- "I was so good to her this week she gave me some surprise bonanus"

Girl- "if he wants anal from me he's gonna have to earn it. Get some bonanus"
by ThatWasTheWorst May 26, 2018
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