Top definition
An animal that, while appearing to be smart, actually possesses extreme stupidity.
Teacher: Hello, class, today we're going to learn about the stupidosaurus.

Student: I already know about the stupidosaurus.

Teacher: How?

Student: Yeah, they're also called "humans."
by Pseudonym "Alias" Sobriquet November 04, 2013
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The vengeful act of crapping on a lover's chest while they sleep.

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