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A humerous phrase added at the end of a question on instant messengers, SMS/Text messages, e-mails and any other form of informal electronic communcation.

Electronic equivellent of a raised eyebrow and chin stroke when asking a question physically.
Tell me, do you buy all of your lingerie from a second hand store question mark?
by KingCrapper May 19, 2011
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May 14 Word of the Day
Intelligence agency term for "psychological operation". A government or corporate-sponsored operation, usually taking the form of a "terrorist attack" or "crazed gunman on a spree", with the intent of panicking the public into demanding more police and laws inhibiting freedom. Psyops are usually carried out by drugging a civilian or group of civilians with aggression-promoting drugs, psyching them up, arming them, and sending them out to commit mayhem. Government-sponsored terrorism. See also blackshirts, conspiracy
Person A: Man, that nutcase Martin Bryant guy shot 35 people in Tasmania!

Person B: No, he wasn't a nutcase, that was just a psyop so the government could have an excuse to ban guns.
by Mystikan April 11, 2006
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1. An interrogation point, denoting that a sentence it is used in is a question.
2. Alternate way to say "What?"
Brown: "I went zablis abba carfth."
Kiko: "Question mark."
Brown: "... ..."
Kiko: "What did you just SAY?!"
Brown: "What did I just NOT say?"
Kiko: "Damn it Brown, you're such a wenile!"
Brown: "Thanks."
by Kiko February 02, 2004
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The sudden increase in pitch at the end of a fart.
Person 1: *fart* *squeak!*
Person 2: Man! That one had a question mark on the end of it!
by Dyl-pod March 21, 2011
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A "question mark" is when a really hot girl or women is together or going out with a not so attractive boy or man.
"Bro, what is that girl doing with that guy?"

"I don't know, it's a QUESTION MARK."
by Good Looking Guy March 01, 2010
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Someone whose sexuality is yet-to-be determined.
Shoshana: Is Mark straight or gay?
Kate: Mark's a question mark.
Shoshana: Alrighty-then.
by Noah Juarez June 06, 2005
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