An underachieving person, who by lack of intelligence or lack of motivation, simply believes anything a person says to be true, just because the person says it is true.
Jan is such a z-cow. She actually believed that Paris Hilton was running for president, because John said he saw it on MSNBC.
by Parkalot January 22, 2008

The total opposite of A Game. If you bring your A Game you WILL succeed, bringing Z Game guarantees total faliure.
"Dude did Dom get her number?"
"Na, man, not this time"
"Why not?
"To get her's you gotta bring your A game! Forget B, C or D game. He brought his Z Game!"
"Na, man, not this time"
"Why not?
"To get her's you gotta bring your A game! Forget B, C or D game. He brought his Z Game!"
by MakaveLee July 7, 2007

I just wanted to let you know that the word "Zannex" is actually spelled with an "X", "Xanex". So Z-Bars is really an X.
by SLAMMINMAMMA77 October 24, 2005

A man pretending to be a woman. This usage is taken from the 1960's movie "Beyond the Valley of the Dolls". Z-man was a character in the film. At the end of the movie Z-man turned out to be a woman!
by Randy Bonjour July 8, 2006

An ugly ass ape of Hominidae family. Consequently, Hominidae is a root word for "homie", or "homeboy".
by russianbear54 September 11, 2006

by paul-k January 22, 2004

Coach Z is the hilarious Canadian coach at Crazy Go Nuts University that has a secret love for Marzipan and wants to return to his former glory as a rapper.
Coach Z: Homestar, you done a great jorb out there.
Homestar: I'm sorry what?
Coach Z: I said you done a great jorb.
Homestar: (laughing)Coach Z, that's ridiculous.
Homestar: I'm sorry what?
Coach Z: I said you done a great jorb.
Homestar: (laughing)Coach Z, that's ridiculous.
by Matt Damon gets all the ladies. January 28, 2005
