Top Definition
An erection. Originating from my 2nd period teacher's misspelling of the word 'bonus', another bon- word appeared in my mind: boner. So if a boner is a penis, a bonous is when said penis gets hard.
Look at that dude! He's so old, he needs Viagra just to get a bonous!
by Hand Hanzo April 25, 2005
5 Words related to bonous

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