2 definitions by Colin Powell, Tupac, Jay-Z, and Michael Jordan

Top Definition
1. To take over a microphone during a rap battle. 2.To be on top of your game.
1. "He was a weak M.C.so I had to make a jack mike move."
2. Person 1 " How are you sir ?"
Person 2 " Man, I'm jack mike"
An elite unit that was designed by two highly trained detention officers at the Muskgoee City/County Detention Center in Muskogee,Ok. They are known for there quit reaction time in riot/hostage situations in the jail.
"The inmates are going to hurt us, we need SJS a.s.a.p. !"

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