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1.
slang for juvenile hall, where young offenders go and get assraped.
by asdf March 20, 2003
 
2.
1. immature

2. in trouble
(1) I had some mac n cheese for dinner with apple juice.... man it was juvy but delicious

Sorry I'm so juvy tonight, it must be naptime

(2) If you tell her, I'll be so juvy!

I've been juvy ever since Shelly saw me with her friend last friday...
by dflhjf k March 01, 2008
 
3.
a jail bait; a (usually good looking) female who is below the legal age.
I hate that club! all the good looking girls there are juvies, only if were 10 years younger .
by Doe December 14, 2004