A nickname given to a chinese guy that has a very small penis.
Guy 1: yo, danny has a small penis!
Guy 2: isn't his nickname Mini Boner?
Guy 1: yeah, he can't chop girls with that mini boner...
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(n)When ones penis is at the midway point of being fully erect, yet it does not fully hard and protruding upward, thus creating the illusion you have a very large flacid penis.
"As I showed them my cock, they thought it was huge because of the fact I had a mini boner, yet they thought that was the actual flacidity of my penis."
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