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the kind of people who are completely silent and unresponsive in classes, but always wind up with the best grades.
Mike: So did you see that Cassie got a 99% on her AP US History final? Way to ruin the curve.

Angie: Yeah, and I have yet to hear her talk. She's such a grade ninja.
by tmib October 26, 2010
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Cleveland Steamer Plush

The vengeful act of crapping on a lover's chest while they sleep.

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