when you jack off while taking a shit because you don't have a girl to give you a blow job
did you get that blumpkin yesterday?

no my girl left so it was a blumpkant
by captain penismilk December 20, 2009
Top Definition
while receiving a blumpkin you catch a sudden case of severe constipation and cannot shit in turn you've received a blumpkant
i ate a giant bowl of cheesy nachos and couldnt shit so the broad gave me a blumpkant
by blumpkinboynov April 05, 2009
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