(n) a gift or reward for watching porn; specifically pertaining to the act of watching an adult web cam show and receiving compensation for your time.

(Etymology) The origins of the word can be traced to the first cash back and reward site: Boner Bonus
Terry: "Why do you watch adult cam shows?"

Dave: "Because websites like Boner Bonus give me free cash, ldo."

Terry: "Wow, that's a nice boner bonus."
by FreddyCask April 25, 2011
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If your tongue does a good job with her bean,boom! Instant boner's bonus all over your face!
by Mr. AvocadoMan June 18, 2020
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(n.) A boner bonus is any normal, everyday situation that will allow you to do something that will result in a definite erection.
Jake: "Dude, my parents are leaving tonight and I'm gonna be home all alone."

Anthony: "Wow, man, you're such a loner."

Jake: "I'm just gonna watch porn all night."

Anthony: "Boner bonus!"
by Námore March 12, 2011
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