Top definition
A creature that roams the earth, but still remains undiscovered by scientists. So intellectual and deceitful, it has never been seen, but its existence is known
Sean: Hey Faf, where were you hiding during hide-and-seek, i couldn't find you!

Faf: I know, I felt like a fafalafasaurus when you didn't find me.
by fafalafasaurus May 25, 2010
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