1 definition by Donny D (D=Down Syndrome)

1

The act of masturbating while pooping. Similar to a blumpkin, but not quite.

Guy- dude you were in there for a while, i mean damn!

Guy2- yeah, i was busy getting a mumpkin!

Guy- Understandable

by Donny D (D=Down Syndrome) May 31, 2011

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