OMSC

OMG(Oh My God) for Warriors (a fantasy series by Erin Hunter)fans, it stands for Oh My StarClan. Starclan are the warrior ancestors/gods of the Warrior cats. Generally used when Warriors fans are chatting.

OMSC, Nightcloud should definitely go die in a hole.

by Checkmate In T December 7, 2013

OMSL

Pronounced {Om-Soul}

Abbreviation of Open Mouth Silent Laughter. This is when you laugh so hard that you just bend over with your mouth wide open, shaking without making a sound and just looking ridiculous.

"Amber just OMSLed off of her chair!"

by Velocirock January 15, 2010

OMSMN

oh my shizzle my nizzle

INVENTED BY RILEY.

on msn;

'he's like, more famous than the other guy'
'OMSMN'

by hayleytompope October 21, 2008

OMSF!

Oh My Shitting Fuck!

Variation on OMFG, for when some crazy shit surprises you.

Eg 1, OMSF! Did you see the size of that bird, it could of taken our baby

Eg 2, There's only one acronym to describe my feelings right now and that is OMSF!!!

by j# May 15, 2010

omsk

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 June 3, 2007

OMSK

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 May 11, 2011

omsham

Contraction of omnishambles (noun) or omnishambolic (adjective). A total mess in every way, often used to describe a person's state after heavy inebriation.

"Did you see Emma last night? She drank a dozen vodkas and was a complete omsham."

by Florestan November 9, 2011