Top definition
when one is thrashing away like a mad monkey.... (furiously masturbating) and not being in a state of awareness to anything going on around you. Which can leave you open to been caught on the job by a family member, friend, lover, unsuspecting civilian etc..
awwww man i was thrashin well bad the other day when i was caught on the job by some random person walking by.
by howler monkey September 08, 2005
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