A person that spends almost all their free time masturbating. They usually hide in dark corners and are known for their loud mating call "fapu fapu" made from their hand striking their pubic mound repeatedly.
by WALNUT HUNTER December 6, 2011
"I'm apart of the FAPU."
"Damn, she should be in the FAPU."
"Damn, she should be in the FAPU."
by williamissifriggincool September 10, 2011