Stefan Bastardo's definitions
When a man is sufficiently obese that his penis can be engulfed in body fat, allowing him to stimulate himself by simple, repeated shifting of body position. This auto-erotic action is fatsturbating.
My obese college roommate would always fatsturbate on the couch next to me, yelling "Check it out! No hands!"
by Stefan Bastardo February 6, 2010
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