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2.
a distinct place where individuals and groups of friends go on any given day or night to experience amusement or enjoyment.
Any night with DB & BP is a trip to the fun zone. Please don't ever find yourself in the "no fun zone"
by P Sawyer July 09, 2011
 
1.
Your vagina or penis.
"Hows your fun zone doing?"

"Been in any good fun zones lately?"

"Check out whats upcoming in the fun zone"
by Sasha Lynn July 24, 2008
 
3.
AKA vagina. Nicknamed "fun zone" because, let's face it, they can be a hell of alot of fun for both men and women =+)
Did you get to play in her fun zone last night?
by B08z0r3llo August 13, 2005