A turd left for someone else to find, either in an unflushed toilet or in a more creative location.
The manager made me stay late and clean up, so I left a grumpy in his desk drawer (or the sink, or the coffee maker, or the printer, etc.).
by OldOllie February 24, 2010
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1. An imaginary disease that causes one to be uncontrollably emotional.

2. A word used when you can't excuse your bitchy behavior with "I'm PMSing" because you used it a week and a half ago.
I'm sorry I snapped at you today, I just have a bad case of the grumpies.

by Evelynne December 1, 2007
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Lack of sleep, annoyance, sleep deprivation,irritablility, hot flashes,etc is often caused by someone you live with such a partner or parent.
Travadon is being so grumpy that i cannot sleep. He's irritable from other people from during the day that I hear it all at night and am also now grumpy from lack of sleep.
by CrookedAndYoung March 16, 2019
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The grumpies told the reporters that they knew they were overleveraged and they didn't really care; they were proud of it. They wanted the leveraged lifestyle now; they deserved it and they would do whatever it took to get it.
by Elise Miller October 15, 2008
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Pronunciation: Grum-pee. The act of breaking wind; flatulence. A slang term for having particularly foul smelling gas; a nasty stinky fart.
1) Dude, who busted that nasty grumpy.
2) He floated a grumpy in class. Stunk so bad even the teacher left.
3) I suppose if I have to I can live with Bill's farts, but when he floats a grumpy it makes my eyes water and I have to draw the line
by lost in Iowa April 3, 2009
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