Re-claimed umbrella term used to describe the Lesbian, Gay, Bisexual, Transgender/Transsexual and general non-heterosexual communities. Queer is the opposite of Straight.

The word is becoming more acceptable than ‘Gay’ especially for homosexual woman and bisexuals who often object to being called’ gay’ which is used more often to describer gay men. It is still often used (just as ‘gay’ is) as an insult to queer people, but is taken with a pinch of salt these days.
She's/He's/It's Queer
The Queer Youth Alliance
Queer as Folk
by spacepostman December 31, 2004
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(v.) To spoil or ruin
As of the morning of 06-20-04, I started a battery discharge analysis of this flashlight. About 20 minutes in, I somehow managed to queer the test, so I installed another Energizer L91 lithium cell in the flashlight, and started another.
by Telephony2 May 9, 2023
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Anything unusual, such as dropping the soap in the prison shower and having an oily and wet penis inserted into your orifice.
Golly! Someone has inserted a slippery phallus into my rectum, what a queer predicament I have found myself in.
by Gumba Gumba August 4, 2004
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1.- Strange, unusual, outside the "norm"

2.- A person who is not heterosexual. The word was meant as an insult but has been reclaimed by many non-heterosexual folks, many of whom use it to describe one another. It is still often considered rude to use the word "queer" in this context unless you self-identify as "queer".
That's a queer colour, Bob. What did you do, mix pink, purple and yellow?
by bisxual Yankee geek June 21, 2003
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"Might I purchase a queer on the pump with the red lorry?"
by Socrates the 410th April 29, 2009
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I woke up this morning feeling a bit queer.

Your description of the accident made me come over all queer.
by David Stevens November 14, 2007
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A term applied to gays. Someone who prefers men to women. For instance, I have known I was gay since age 12. I was ashamed at first then I figured I would just tell everyone and not give 2 shits what anyone thought. Now i'm happy to be out of the closet.
by Michael Rehmeyer November 26, 2007
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