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Other Men's Sperm - children a woman has from a previous relationship that aren't yours.
I don't mind having sex with her once in a while, but that's as far as it'll ever go. She's got three kids and I can't be bothered with OMS.
by silentnomoreusa.com November 22, 2010
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22
Samantha Stevens: "OMS! Aunt Clara that spell went awry!" Darrin: "SAMANTHAAAAAAA!"
by lrachelw November 21, 2010
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23
Oh My Spock!
Spock is the Vulcan second in command on the USS Enterprise in the popular television show Star Trek: The Original Series, back in the 1960s.
Captain Kirk: Oh My Spock, that Orion Slave Girl is smokin'!
Bones: Agreed.
Scotty: Ay, OMS
Chekov: All thrusters full ahead!
Sulu: I like boys.
Spock: Silly Sulu, space is for real men! You are highly illogical.
by Mrs. Spock March 10, 2010
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24
The shortened form of "old man in speedos"

used at public pools or beaches
usually combined with an involuntary shudder.
"OMS alert! run awaaaaaaay!"
by shannanigans September 24, 2005
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25
Phrase: OH MY SCIENCE !

A devout atheist's alternative to OMG !

To express : anger, joy, surprise, disbelief, ect .
So she screwed your best friend on your birthday?

Yeah dude.

OMS!
by Butterscotchstallion February 20, 2009
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26
Oh my satan. Meant for people who are on the highway to hell and are tired of "omg" and "oml"
Omg did you see the new iPhone that Apple released?
More like Oms, the prices will drive me to hell.
by Fox :D December 26, 2017
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27
Oh My Scott.

An alternative to "Oh My God" or "OMG" for people who place their highest authority with Scott, not God.

Popular with atheists who have good taste in music.

Reference to Scott Weiland, lead singer of the bands Stone Temple Pilots and Velvet Revolver.
OMS, there are STP tickets on sale!!
by Sydney47 August 01, 2008
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