Definitions by RandyFellow
sex proof
To physically strain ones penis, most likely by beating it with reckless abandon. Other activities can lead to this condition, such as falling onto your boner from a 8 foot ladder or sticking into a lightbulb socket.
I really want to bang Shelly but my skin flute is sex proof; doctor said I have to wait 6 months with a dick cast on before sex of any kind.
sex proof by RandyFellow June 28, 2014