A vehicle used to for cascading the soil dunes of any central slash state (e.g Maryland). The rider is known to wear a fake fake-digital camo jumpsuit and be goofy at all times. For the vehicle to be considered a Yamaha Blumpkin, the rider must taking a shit at all times while on the vehicle.
"Yo dude that guy totally shredded while on his Yamaha Blumpkin today."

"Did you see that power ranger shred on that Yamaha Blumpkin?"
by Zordon19104 March 26, 2013
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The act of receiving a satisfying blumpkin during flight in an airplane bathroom.
On my way to a my frat brother’s bachelor party in Vegas I received a ball draining Mile-high blumpkin from the flight attendant.
by Mile-height pilot December 11, 2022
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A dressing/ condiment, usually handcrafted, from the products that result from a finished blumpkin. Popular in Greek/ American cuisine
by CharlieRomeo September 4, 2021
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A dude sits atop the toilet tank and craps in it, facing forward. A woman (or man, I guess...) sits on the toilet backwards and also crals as s/he performs oral sex on the guy seated atop the tank.
What were you two doing in the bathroom so long?
I expelled every fluid imaginable thanks to getting an upper-decker double blumpkin.
by Terry O'Raynis April 4, 2023
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While recieving a bumpkin the person giving fellatio reaches in the bowl and retrieves feces in order to smear it on their face
That female gave me a blumpkin sanchez; I doubt I'll be seeing her again
by Cptnhowdy May 15, 2018
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