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People of opposite sex sharing living quarters. A former category that you could be in a US Census.
"There's nothing that I wouldn't do
If you would be my POSSLQ"

-Charles Osgood
by yanksfan61293 November 30, 2008
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People of the opposite sex sharing living quarters.
Mark introduced Karen as his posslq to the party's hosts.
by T. B. Lade January 06, 2004
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Persons of the Opposite Sex Sharing Living Quarters
Mom- "So when are you gonna marry that girl and give me some grandchildren"

Son- "Mom, lay off, she's just my P.O.S.S.L.Q." (pronounced "possle-que")
by dbtSUPER January 18, 2011
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