The absolute driest way to respond to something you need to agree with but don’t want to or care to. Basically the antonym of its literal meaning. Polite but ironic.
Boy: “lets hang out sometime!”
Girl: “for sure” *never intends to hang ever*
by Angelicaandsasha May 21, 2019
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It is a sarcastic remark you say in response to something
“I have some sick abs!”

For sure, for sure
by Netflixandchill16 November 12, 2018
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A form of sarcastic agreement when one does not truly agree.
"Do you want to go to Scotty B's for dinner?"
"...For Sure."
by Michaela T January 25, 2008
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The response a man has when he takes what the woman says at face value when she really wants him to think/say/do something specific.
"Can you buy me a book?"

"Sure"
..he was wrong, he was supposed to buy a plane ticket for her to visit him.
by Oops, sorry September 7, 2018
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this is a sign of rejection, most commonly used when your friends ditch you
matilda: hey! we goin' to the cinema tomorrow at 9 PM?

sean: sure... sure...

the next day at 9:30 PM:

(matilda calls sean)

(no response)
by BoredDude0312 April 27, 2022
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an Aussie abbreviation for "Are you sure you don't?". Usually only used by people with a university degree and later stolen by extremely good looking people.
good looking person 1 '' do you want a beer?''
good looking person 2 '"no thanks mate"
good looking person 1 "sure not?"

or

Lawyer "want a piece of cake?"
good looking person "no it will ruin my good looks"
lawyer "sure not?"
good looking person "your not a good looking person"
lawyer "no but I'm a lawyer"
good looking person "oh ok"

Note:
Can also answer the question "Sure not?" by reversing the question, making the answer "Not Sure"
by Walking In my Dreams October 12, 2016
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