Top Definition
1- A compound word, from the verb "to fap" (masturbate) and the noun "saurus" (lizard), used to describe a male who jerks his salami with comical frequency

2- Another word for idiot
I'm surprised that faposaurus hasn't gotten caught yet.

Shut up, you stupid faposaurus
by Batrastard April 19, 2003
5 Words related to faposaurus
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