Uncle Joey 

A common nickname for the comedian Joey Diaz. He often refers to himself by this name when telling stories from his past where he is a father/mentor figure.

Uncle Joey gave me my first line of coke at 13 and then let a hooker take my virginity.

Uncle Joey by M4cs June 25, 2020

Uncle Joey 

Slang term for any number of crotch rotting diseases.

FUCK! I gots me the naaaastiest muthfukin case of UNCLE JOEY, yo!

Uncle Joey by Aiko Oyama Ayers January 24, 2003

Uncle Joey 

The act of pretending to be an uncle to three young girls, then raping them.

"Those Tanner girls just got an Uncle Joey. They'll never be the same."

Uncle Joey by Danny Tanner Was Not Gay March 21, 2016