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publumpkin is like a blumpkin, receiving oral pleasure while excrementing, but only in a public restroom.
Mary Joe was asked by Billy Bob to give him a publumpkin, while stopped at the Flying J truck stop.
by cale armantrout January 31, 2006
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2
When you get a blowjob while you are on the john.
I was taking a shit when she came out of the shower.... and she gave me a publumpkin! WHAT A SICK FUCK!
by Jose Martinez April 20, 2005
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