1. The area between the diaphragm and the belly button.
2. A silly person; a foolish person
1. Mommy, my stummy hurts.
2. I feel like such a stummy.
by Black X February 19, 2009

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The space above your bellybutton and above your stomach. It is extremely painful when sore and curling up into a ball (which usually helps a sore stomach) makes it even worse. Stretching helps and painkillers don't.
"God, my stummy hurts!"
by ~Danielle~ May 17, 2008

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(Adj.) Being very stupid or saying something that makes someone angry. Getting on someone's nerves. Being a punk.
"You are being really stummy right now."
"Why are you being stummy?"
by Christophizzle4 August 21, 2008

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another slang term for the female vagina
Noob: how do you fuck?
Ese Chuy: stick yo penis in her stummy! duh! you noob dick nugget!
by Ese Chuy! April 08, 2009

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the cross between somone that is stupid and somone that is a dummy.
you are so stupid and dumb your a stummy
by robbie gage February 10, 2005

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The Urban Dictionary T-Shirt

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The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

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