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.
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.
Black skin so dry and ashy you can draw/ write on it.
Bob: That nigger just takes notes on his arm.
Jim: Oh he is like a walking note pad Bod: Dude that nigger has chalkboard syndrome don't make fun of him.
12 step recovery jargon referring to someone new who talks about how great life is, now that they're sober. Usually meaning that the person is out of touch with reality.
The new guy seems pretty happy for a dude who has no job, no money and no family. He must be on a pink cloud.