1 definition by Esteban Dos Ocho
The phenomenon that occurs when a penis becomes so unaroused that it contracts into an erect, albeit very tiny, state; usually due to the consumption of too much adderall, or a very intense workout.
Bro, you must be cracked out on adderall. I can totally see your reverse boner through your gym shorts.
by Esteban Dos Ocho January 12, 2011