Want a new, easy way to prevent conceiving?!

[Scouzer]

http://en.wikipedia.org/wiki/Heat-based_contraception

Ouch.

 

[vi edit]

I think it was an episode of Nip/Tuck where Christian said that he would always soak himself in the the hot tub before a date to kill his swimmers.

 

[monk3y]

Yeah no thanks... doesn't sound too comfy.

 

[Platypus]

Yikes