1 definition by Lux the Great

A pathetic man who is most commonly a nerd and lives with his mother.
Person 1 : "Wow.. that guys a major jibby."

Person 2 : "WTF is a Jibby?"

Person 1 : "Jibby? It's a pathetic guy who lives with his mom"

Person 2 : "Like a 35 year old guy who plays that game EverQuest all day?"

Person 1 : "Yeah.. that guy is a Jibby."
by Lux the Great July 21, 2003
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