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1. Posterior, buttocks, ass

(An intentional or unintentional mispronunciation of "ass." Derived from a slackish or lazy way of saying "ass," in which the "a" sound is more difficult than the easier-to-articulate long "o" sound.
Often misunderstood as a German pronunciation of "ass," due to the long "o" rather than "a" sound.
Often confused with the acronym OSS, Official of Strategic Services.
Believed to have been orginated in northeastern Nebraska by a number of smalltown youths indulgin in alcohol.)
You best watch you'self or I'm gonna kick your oss.
by P'tainz June 28, 2011
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Jan 25 Word of the Day
Oh youโ€™re just being alive? Iโ€™m horny too
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2
"oss, I think his mom died last year."

"I don't think she's into you, oss."
by hannah_is_the_shit March 13, 2015
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6
this was a term coined by : Akane, Ma ใธ, and EGOIST on gogoanime

it means osu! but cool it was used when EGOIST was being a dumb ass mispelled osu!

oss is for intellectuals
"oss" - Ma ใธ
"oss" - Akane
"oss" - EGOIST

"oss is an intellectual game" - the 3 aforementioned above
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by An Egoist January 01, 2021
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