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In the EMS, if you walk up to a call that is wretched it has the OSH factor. It's the formal way of saying oh shit!
Guy is walking across the street gets hit by a car going 45mph, and you can't tell if that's his body or someone spilt soup on the side of the road

EMT: "OSH!!!!"
by cojak January 29, 2009
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school for posh private school twats whos parents don’t want them at home

thing they’re hard bc theyre school looks like hogwarts

would get shanked if they came dudley ends
by sym fam May 21, 2020
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A okay guy he’s kinda of annoying but he’s okay
Oh hey Osh”
by GrillMasterShelly January 06, 2020
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A legend. Great guy, real name is Josh. But boy, has it been years since he's heard that name. He's killed people, ya know? Stabbed em. With a knife. A real one too.
Guy 1: Where's josh?
Guy 2: you mean osh? Probably killed someone. With a knife. A real one.
Guy 1: Oh
Osh: Hey guy 1! Don't call me josh!
(osh stabs guy 1)
(Guy 1 dies)
by oshoshosh October 29, 2020
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hmm. this is the guy i like, but it used to be the name for a guy that i hate. so yeah.
"OMG.OSH IS SO HOTT!! I WANNA KOSH OSH!! haha"
by hehe(im a nobody) February 22, 2005
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One Shot Headshot

Generally used to describe guns in games that are capable killing an enemy in a single shot, to the head
Yea that gun is a OSHS, I’d use it if you know how to aim
by TheArchonPrime October 02, 2019
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