Testicular Combustion
If a man decides to not jack off for a very long time, an abundance of semen will collect inside the testicles. Once the semen level reaches a certain point, the testicles will combust.
Kid 1 - Yo man you been jackin it?
Kid 2 - Nah dude I stopped doing that shit
Kid 1 - Watch out for testicular combustion!
Kid 2 - Nah dude I stopped doing that shit
Kid 1 - Watch out for testicular combustion!