Top Definition
What drunk people come up with when they try and text 'PMSL'
I've just seen a fat bird in a bikini in Maryhill. OMSK.

or

I'm going to a family wedding but I'm only having a few. OMSK.
by the hippychick April 21, 2011

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1) a city somewhere in russia

2) a large and particularly orange forehead
1) go die in omsk

2) woah! look at that omsk!
by omsk lover May 17, 2007

The Urban Dictionary Mug

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