look up any word, like donkey punch:
 
1.
A woman's box. Shaped specifically for a man's hotrod.
I'm gonna stick my divine rod into her fun box.
by Incognitogamer August 06, 2006
 
2.
synonym for vagina
I'd like to party in that funbox.
by Erock April 15, 2004
 
3.
A girl's vaginal area which gets wet on contact.
Brad; I love your Fun Box
Me; I like my Fun Box too :D
Brad; It's DROOLING on me!
Me; Oooo-ooo-oooh tease me
by KC$ August 14, 2007