mike:  yo i just shot a cop in the leg while he was walking to the donut shop jami:  be easy mang, i'll help you hide the burner
to chill or act real calm and not worry
"mike:  yo i just shot a cop in the leg while he was walking to the donut shop jami:  be easy mang, i'll help you hide the burner" What is the definition of "be easy"?