Jacking off at random times in random places. If someone is a spontaneous masturbater, you never know when they will just whip their dick out and start beating it.
Zach pulled his dick out in the middle of the cafeteria and started pumping it. This is an example of spontaneous masturbation.
โดย Vengefulsorrow 28 ธันวาคม 2008
Can you define these popular missing words?