Top Definition
When you have intercourse with a woman on her monthly then proceed to take a dump while she preforms fellatio on you.. and she's obese.
"Damn.. I didn't think I could find a worse sexual term than "blumpkin" till I heard about Phil getting a raspberry plumpkin from that heffer that works at the bingo hall"
by e v i l e d d y December 04, 2008
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