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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!
by ROVR March 02, 2011