Get'cha Bars Up
I've seen it used to mean that a rapper needs to step his/her game up, or that someone plans to have sex.
Strong Arm Steady; "no cash, no rims on yo brand new truck, ya need to listen to us an' just GET'CHA BARS UP..."
"Yeah dog, imma get my bars up on Jessica TONITE!!!"
"Yeah dog, imma get my bars up on Jessica TONITE!!!"