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
Get the mug
Get a stupidosaurus mug for your father GΓΌnter.