Top Definition
When one person receives oral sex from two or more people while dropping a deuce. Supposedly pleasurable, however it is extremely difficult to achieve release from both ends at the same time.
Lucy and Ethel gave Fred an ultrablumpkin for his birthday, while listening to the radio.
by TheMishkin June 02, 2006

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The act of receiving oral-sex while having explosive diarrhea.
Guy: Dude, your sister got drunk and gave me an Ultra Blumpkin last night.
by Gettin' A. Beejay March 21, 2010

The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Your favorite word on a white mug.

Create a mug

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug

The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

Buy the t-shirt

The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt