(verb) To exaggerate tenuous or dubious connections, as Glenn Beck might with the aid of his chalkboard.
Man, Breitbart was really chalkboarding about Obama running Occupy!
by emcro April 21, 2012
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Having sex with a black woman and ejaculating on her, preferably all over her back.
Dan could write his name, as well as complex calculus problems, on the ethiopian woman's body, making her into his very own chalkboard; Craig, however, had to stick to piss in the snow and geometry.
by Jafaar November 9, 2006
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A term used to secretly tell one person that another seems to have bigger boobs then usual
"Dude, that girl is chalkboard today!!!"
"I noticed!!!"
by pSeUdOnYmduhhhhh January 27, 2009
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When an ex- boyfriend or girlfriend constantly stalks and tries to find out every new detail of their former significant others life. They try to gather info from mutual friends, facebook, drive bys, etc... As if writing all of this info on a big chalkboard.
I wish my ex would quit chalkboarding me. He needs to get a life and quit stalking. Its over.
by Sally Mae 123 June 17, 2010
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(idiom) A sound that makes your ears bleed.
*plays an annoying song*

"This song is like nails on a chalkboard"
by ComputerLover May 4, 2020
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While having anal sex, the man removes his penis and draggs it accross a white wall.
What's that brown line on the wall from? It's from the Dirty Chalkboard I did last night.
by Tom June 5, 2003
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A club, usually underground at a school where people draw problems, incredible events, or stories out on a chalkboard and his co members help to solve them or entertain themselves from them.
We goin to Chalkboard Club today or what
by Caleb Michaels November 13, 2003
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