An invitation to someone to punch you in the face.
"Now just calm down...."
(punches cop in face)
"Suphel": Calm down, calm down, no need for the hostility.
Boss: What? I'm not being hostile. I'm telling you to do what I pay you to do.
((a little later))
"Suphel" (in H.R. office): Dat man needs to calm down and stop the picking on me. I do my job.
Boss: "Suphel", what did I do to deserve being investigated?
"Suphel": Calm down, calm down. No need for the hostility, mahn.
Boss (exasperated): Fine, do whatever you want. But, so you know, reviews are coming up.
"Suphel": Calm down, calm down....