Top Definition
UBM
Unexpected Bowel Movements. Very common in Asian countries.
- F: I have my 10 hours long trip to come back to the States. Let's eat a last very spicy pad Thai!

- Q: Aren't you afraid of a UBM during the flight?

- F: Worth it man.

(3 hours later, in the aircraft, with tiny, always closed and/or uncomfortable toilet)

- F: Damn, you were right!!
by TheRealButcher August 07, 2016

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ubm
Slang in the southeast. Ubm = of them.
Me: Dang man, ain't you worried about mooshing them chickens under your tractor, there?

Farmer: Take a look around this place! It ain't zackly like theys a shortage ubm!
by enemy-a October 15, 2010

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

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