Juvenile In Trouble.  From the corrections system, often used by one kid in detention refering to another, usually younger deliquent.
by antstomp August 9, 2006
 Get the jitmug.
Get the jitmug. short for "jitterbug" or better known as the Lindy Hop developed in 1920's 1st as a partnered dance amoungst whites but a solo dance later developed by blacks during WWII.... revitalized during early 1980s in Detroit area called the "jitt" amoung young urbanites as a battle dance....to conteract the Pop Lock for west coasters or Break Dancers from NYC....signature battle dance of Detroit
by DJBuck February 22, 2005
 Get the jitmug.
Get the jitmug. A hiphop dance. Originating from jazz and tap dance. It is fast moving footwork. Most claim it originates from DETROIT.
by Nick February 8, 2005
 Get the jitmug.
Get the jitmug. by Mad Matt August 12, 2007
 Get the jitmug.
Get the jitmug. by Lachy wachy November 14, 2022
 Get the jit jitmug.
Get the jit jitmug. I've never heard of "jit" being used for a kid...except by child-molestors who talk about jitting on a kid.
by Fo Shizzle My Nizzle June 8, 2004
 Get the jitmug.
Get the jitmug. 