Just launched! Learn slang while watching funny vids: urbandictionary.tv
1. jice
1) the plural of juice

2) anything else you want it to be
1) "Coach we need more jice in the ice box"

2) "Oh you got jiced!"

3) "JICE!"
2. Jice
When you want a golf ball to spin back or check.
"Man, did that have some sick jice or what!"
"I hit a pure tour wedge into the 16th and it jiced so much! Sick!
3. jice
a group of jewish people
the jice came out of the assemply
4. Jice
Jiz + Nice

Either when a nice girl makes you jiz or when you jiz so well that you feel nice afterwards.

Can also be used as a noun meaning nice jiz.
She swallowed my jice.
I banged her twice and made jice.
5. Jice
A gang made up of 6 people who are all whiteboys from Centereach NY.
Fuckin whiteboys...