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

proof sex 

Having sex with someone to prove a point such as your love for them, that you are over them, that you are not gay, or that you are a good lover.

I didn't want to have proof sex with him but how else was I going to get him to stop begging for a date after I told him he kissed like a gay guy?

proof sex by Eau April 20, 2009

Sex Proofing 

Creating a safe and sound proof atmosphere in which to have sex. Minimizing the exposure of corners and getting the bed to stop squeaking

Jessica is sex proofing her room by putting pillows between the four poster bed and the wall so it wouldn't make to much noise

Sex Proofing by Wiggily Tiger December 25, 2008