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a derogatory hybrid of both the words 'queer' & 'loser'. Usually used to describe a sore loser, whether be it at losing a game or just losing something in general.
"Yo, where's that shirt I lent you like last week?"
"Oh, swhoops, i think i lost it! Sorry!"
"Not forgiven till you buy me another shirt... quooser."

by Nataaash April 14, 2008