Top Definition
A blumpkin that is given to oneself, usually while taking a shit. When you suck and/or masturbate your dick; waiting for the climax to push the turd out. Gives an extra sense of stimulation.
yo meehan, go give yourself an autoblumpkin in your moms bathroom.
by The Meehan October 17, 2009

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To suck yourself off while dropping a deuce. See blumpkin.
Everyday at 5:00 PM Tom gives himself a salary auto-blumpkin at work.
by milfhunter37 November 03, 2003

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The act of fellating oneself whist simultaneously taking a deuce
"Why is Ian taking so long?"

"Dude, it's an auto-blumpkin yo"

by automblumpkinitis January 18, 2008

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When you're taking a shit, and you give yourself a blowjob at the same time.
"Last night I was taking a huge dump, right? So to ease the pain a little bit, I gave myself an autoblumpkin. Best shit ever.
by Officer Dickhead July 28, 2016

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The Urban Dictionary T-Shirt

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