Top Definition
A burly man-slut with a taste for human flesh; often times seeking career paths with access to incapacitated victims. ie: hospitals, nursing homes, and morgues.

May also be used as an adjective.

example: Walter, the wrestler and part-time mortician, felt rather osyshnir as his date was arriving for dinner.

*note: has been seen shortened to "osy"
by Shane the Shithead January 23, 2009
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