1. Masturbating in such a way that you inadvertantly hurt yourself.
2. Being caught masturbating in a very odd way that looks like you are a spastic.
oow, my eye! that was spasturbation!
Guy: Yeah, it was crazy seeing him spasturbating.
Prices shown in USD.
Type your email address below to get our free Urban Word of the Day every morning!
Emails are sent from firstname.lastname@example.org. We'll never spam you.