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A type of plant found in urban environments that creates a painful sensation when rubbed in sensitive areas. Not restricted to any one species. Pronounced Oh-ow-ss, with an audible clash of teeth accompanying the word's end.
"Hey Jim come over here"

"Sup man"

"Get some of this on board"

"Stop rubbing that oaus all over my nose you gimp"
by Cheesethief January 18, 2010
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