A sex session in which one sits on a toilet taking a shit while another person gives the shitter a blow job
by Yanni's Flamboyant Friend December 25, 2002
one of a variety of individuals, who is bubbly like a volcano, snuggly as an antitank mine, and enjoys hillsides of cabot extra sharp cheddar cheese. as much as any such individual can enjoy such things, which is quite an excessive amount.
"Antitank mines always have to be stabilized before you grab them. This is why I kiss you at the same time.What a grumpkin!"
by J Jayma Jameson August 12, 2011
When Female or Male, is performing oral sex on you when you are taking a shit on the toilet. Grumpkin is mistaken for the word Blumpkin, because of the Movie "Harold and Kumar."
by The Theoretically Correct May 20, 2009
a short, trollish, bitch that everyone hates. She's annoying, ugly, and the kinda girl you would love to punch in the face...repeatedly.
by clayton September 20, 2004
A woman no taller than five feet three inches tall and more than a few pounds overweight who would be cute if she lost a little weight. Often seen truck-truck-truckin' around.
by Marc November 17, 2003
the wrestler used the grumpkin technique to score a reversal.
i blew my wad as soon as that filthy slut gave me a grumpkin.
i blew my wad as soon as that filthy slut gave me a grumpkin.
by the cool breeze September 07, 2006
Describes sosmeone who suddenly turns extremely and uncharacteristically grumpy at night, particularly after midnight. Word evolved from pumpkin - someone who suddenely turns sleepy at midnight.
by Grumpkin April 16, 2006