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.
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