When one partner lays reluctantly on his/her stomach and is then penetrated in the anus by their partner. Said partner has their back haunched for maximum insertion-giving the appearance of the shell.

"Tina owed me a favor so she let me give her a grumpy snail before we left for the party."

Grumpy Snail by fireman623 October 17, 2013

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Grumpy Edna

An unstoppable force that leaves its victims irreparably devastated.

The running back blew through the secondary like a Grumpy Edna, and sprinted straight to the goal line.

Grumpy Edna by Notorious21 August 11, 2008

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grumpy gills

cat-butt

stop being a grumpy gills

grumpy gills by joemauer October 21, 2010

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Grumpy Cannon

common term for a person who shows lots of anger/grumpiness. When you perceive an angry person complaining or ranting, usually "Grumpy Cannon" is said to annoy/aggrivate them.

The term comes from a Megaman type game, as the thought is that if you beat the commonly angry person, you will inherit their grumpy cannon.

"GRUMPY CANNON!" --Andrew

Grumpy Cannon by Skylarke Van Holdzen February 4, 2005

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