imma fire u up- is a urban word used by most middle schools.immma fire u up mean u about to ROAST u..or imma bout to TALK about u..imma fire u up is really get on somebody shoes,clothes,or something they did.
Shakenya- boy,shutup imma fire u up!
Adonus-ok fire me up! what u got?!
Shakenya- boy..better get yo my hair so greesy l00kin azz on