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1.
The act of cutting off one's penis, usually in a public place such as a restaurant or a bus station, during a fit of rage.

An unnecessarily large knife is often used to enhance the effect, and the 'Mogger' may choose to then consume the amputated genitalia for the same reason.

Should be used in the context 'to go Moggins'.
If she gives me any more hassle about that spreadsheet I'm just going to go Moggins on her ass...
by CaptainSplatpants October 31, 2011