1 definition by Themasterofreverse-boners

When you see something so horrific, such as a disgusting girl/guy, it makes you penis want to go back inside of your body. A reverse-boner is rare and the sight you must see to induce a reverse-boner is beyond scarring. You will want to cry when you see the object or human that makes you want a reverse-boner.
Example 1
Guy 1: "Dude did you see Sarah Jessica Parker in her new movie????"
Guy 2: "Yeah bro she gave me a reverse-boner"
Example 2
Guy 1: "Did you go to the hospital yesterday?"
Guy 2: "Yeah a saw your girlfriend changing and i got a furious reverse-boner"
by Themasterofreverse-boners November 10, 2011
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