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2.
When one is taking an extremely hard test/final while receiving head.
John: Dude that exam was so hard!
Broseph: Bro, I know. At least I was kind of happy because Ms. Tits was giving me a stumpkin.
John: Bro. Respect.
*Knucks*
by Blumpkin Lord May 10, 2011
 
1.
1. Similar to the conventional Blumpkin, in that one receives oral pleasure whilst defecating, but one is seated on a stump instead of the usual toilet

2. When one's partner attempts to sexually pleasure an amputated limb.
1. Now that we're in the Redwood forest, it's the perfect time for a Stumpkin Jazzmun! I gotta go bad!

2. Losing the leg was tragic, but the stumpkins almost make up for it
by JeffMagnumStainMyMontaintop August 17, 2010
 
3.
1. One who portrays characteristics of what would make you want to shout out "STUMP"

2. a term used to describe anything and everything, as long as it sounds right.
1. "Man, that was some stumpkin!!! Great job!" or "Man, that was stumpkin, just plain booty..."

2. A person, rather large in size or even just wobbly and funny looking, is skipping down the road and all of a sudden trips and falls..youre instincts propel you to scream "AHAAA what a STUMPKIN!!"
by Meredith and Rebecca November 22, 2003
 
4.
Much like the blumpkin where you receive head while taking a shit, the stumpkin is when you receive head while studying.
Nigga, if i had a stumpkin right now, i could ace this final.
by Stumpkin Jon December 09, 2009