Top Definition
The act of getting a blow job while taking a shit on the toilet inside a Porta-Potty. Very similar to the plain BLUMPKIN. Just watch out for the blue water.
Why don't you come inside this porta potty and give me a Porta Blumpkin.
by Dominick AKA Snuffy September 02, 2007
Getting a blowjob while shitting in a porta potty
I was at this tractor pull in Tomah and got my woman to give me a portablumpkin.
by Susie Mccutchans December 02, 2006
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.