To masturbate with one's severed limb. The removal of said limb can occur by any means; be it natural disaster, self-mutilation, or mutilation by others. Also can be referred to as an extreme "Stranger".
Crub: I heard after James Franco severed his arm in 127 hours he decided to masturbate with it.
Demecs: Yeah, he chose disembation over masturbation.
Crub: Good choice!
Demecs: Yeah, he chose disembation over masturbation.
Crub: Good choice!
by ROVR March 2, 2011
Well...not much of an example but never let your drunk grandpa write your name on your birth certificate because he spelled December, Disember.
by Kelsey Rose June 14, 2007