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1 definition by Eric Morgan

 
1.
FMA
Freak Masturbatory Accident

The act of hurting ones self prepping or during a masturbation session.

In the fervor of fulfilling that evenings vegi-fantasy, Joe left the cantaloupe in the microwave for too long and ended up with 3rd degree burns on his little Joe upon first stab. Running upstairs with keys in one hand and toasty shaft in the other, Joe knew he'd have a hard time explaining this particular FMA to the emergency room staff.
by Eric Morgan December 12, 2006