buttpumpkin 

Noun. 1. An unusually large, solid bowel movement or portion thereof. 2. A person or thing which behaves in a manner reminiscent of an unusually large, solid bowel movement.

"That buttpumpkin got wasted, passed out on my bed and left a massive buttpumpkin in the laundry hamper!"

buttpumpkin by Dr. Ruth Bader Ginsberg September 25, 2003

Butt Pumpkin 

Bowel movements that are quite a bit larger than the standard 'rabbit turd', yet hold the same consistency and shape as their smaller cousin.

Large round turds that require work and time to pass.

Almost guaranteed splash-back due to density and size.

Hollyfeld: knock knock “Dude, you ok in there?”

Java: grunting/strained “I’m fine. Just planting some butt pumpkins from all that Moussaka last night”

{contributing editor Lazlo Hollyfeld - thank you for your creative prowess}

Butt Pumpkin by Javad0g July 24, 2009

Buttdumpling 

guy who likes it when dogs lick his ass

Sam and John love to be buttdumplings!!

Buttdumpling by Anonymous April 30, 2003

Butterpumpkin 

A relatively pathetic individual who makes failed and often hilarious attempts at being tough. Often manifests as an overly arrogant individual with no real reason for said confidence.

Butterpumpkin: I'm so tough, I just bought creatine.
Normal person: What a tuff guy, Butterpumpkin.

Butterpumpkin by guttermuffs July 22, 2011