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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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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When someone says something surprising, just hit em with a,"QUESTION MARK?!?!" It basically means, "WHAAAAAA?"
Brendyn: Hey, long time no see, I have 10 dogs.
Jace: QUESTION MARK?!?!
by 18-5-20-1-18-4-12 March 06, 2018
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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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(noun)
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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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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