its used to describe the favorite, mostly in betting and gambling
the patriots have been the chalk in the NFL for several years
by pballman117 November 20, 2005
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The expected outcome, especially in a sporting event. Derived from, "you can chalk that up right now, we don't even have to see it."
My NCAA sweet sixteen bracket was chalk.
by Steven Borbash April 11, 2005
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(noun) A theory regarding a mystery. Refers to the practice of chalkboarding/whiteboarding ideas and expanding on them.
(verb) To actively theorize about said mysteries. Often used when someone is coming up with tinfoil theories.
"Man, so men and my friends were chalking about who Rey's parents might be..."

"Did you hear the chalk about Sylar and Peter Petrelli?"

"After those first teasers dropped, it was crazy how much chalk was flying around about what was going to happen in season 3 of Westworld."
by Rawnie Phen October 31, 2020
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London expression for coke (cocaine)
That's mighty fine chalk you've managed to acquire from Bristol.
by Dan Fox June 19, 2003
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A derogatory term used for a 'dusty' guy, usually one lacking any wheels, or is just in general, someone who is very uncool.

This is a thinly concealed racist term, deriving from "Choc," a slang term for a black person.
"Adrianna's dating a complete chalk, you can definitely outwheel him."

"Look at those dusty chalks at the club hitting on those girls."

"Popped collar? What a chalk!
by balbir December 7, 2011
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Another word born in Cheltenham High School meaning any of the following:
1) to blow something off
2) to damage, destroy, or hurt someone/something
3) to ignore or disregard
4) to take it like a boss
"Yo man, aren't you supposed have a date with your girl tonight?"
"Yea, whatever... I'm chalkin it to go see this other chick."

"Damn, i don't remember learning any of this. I'm about to chalk the shit outta this math test."

"My car got all chalked up from the accident i got in."

"He pissed me off so i chalked the mess outta him."

"You be aight. Just chalk it up bro."

"I'm real tired... i think i'ma chalk school today."
by truelu March 5, 2010
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to randomly go up to someone and start making out with them without warning.
Girl: I didn't make out with anyone at the party!

Girl 2: Then chalk someone!

* girl turns around and makes out with nearest guy*
by jswiftyy January 26, 2010
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