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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Person of the opposite sex sharing living quarters. This used to be a Census Bureau term and may still be one.
My POSSLQ (pronounced "possle cue") and I have an agreement on who takes out the trash.
by Root Doctor May 03, 2010
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