When you poop and then sit on it
I went to poop and accidentally still had the lid down and I blumpkined.
A pet name for when you are your significant other are so close, in love, and inseparable which maintaining a best friendship as well. The ultimate level of a forever relationship. Can also be shortened to "blumpy."
Gee, I love you so much blumpkin.
Right back atcha, blumpy.
When Drew Hawk receives head while taking a massive shit in the McDonald’s bathroom
Drew gets a blumpkin in the McDonald’s bathroom
When you get your dick sucked while on the toilet.
Hey, I'm gonna get a Blumpkin Later, Wanna Join?
The act of giving/receiving a blow job while sitting on the toilet taking a shit.
Dude, I was sitting there takin a big ol' shit when my girl came in and gave me a blumpkin.
Getting your dick sucked while on a toilet.
Stephanie gave me a mad blumpkin yesterday.