the act of giving someone a "blumpkin" refers to squatting on their chest and defecating while they suck u off.
To recieve a blow job well you are taking a dump.
That dirty whore loves sucking dick an to be in the bathroom with guys shitting, so she can give them a blumpkin
When you get a blowjob whilst taking a shit.
At the party yesterday I heard that Shane got a blumpkin!
An alternative and very sexual phrase for big boner.
"Hey Jimmy I see your big ol' blumpkin sticking out of your new limited edition Shaquille O'Neal basketball shorts, by the way nice blumpkin".
A blue pumpkin, or a pumpkin that has a blue shade in its Rhine.
Check out that blumpkin!
Chuck had a blumpkin in his garden today!
When you poop and then sit on it
I went to poop and accidentally still had the lid down and I blumpkined.