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A word short for umbrella.

It is only used when the word umbrella is a code word for something else and cannot be said so Umb is said instead
Person: hey it's raining, i better go and get the Umb
Umb by _sexygurl101_ August 25, 2017
The top part of a cat’s mouth
A cat’s Umb is above the jaw
Umb by pseudoapplealation March 26, 2024
Umb- “ Used My Brain”:To use one’s own brain for solving problems or creating innovative ideas.
Today I UMB’ed the editing on my photograph vs using some AI program to do the work for me.
Umb by BCL_WA March 30, 2024
"Person 1: "Hey mate, Today I found out that The suns a planet!"
"person 2: " What are you on about? Ya such an Umb-day!"

Fuck the .umb.ra. Month 

Dec 1 to dec 31st you can legaly harass .umb.ra.
Harass .umb.ra. In the Fuck the .umb.ra. Month
Another name for that sick, twisted, phsycopath of a woman aka Umbridge in the Harry Potter series.
You know who's Umbitch?
Yeah! She should've died sooner than Voldemort.
umbitch by BisexualSimp November 11, 2020
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