cool someone out

cool out

1. To become calmer. Don't talk to your mother like that! Go to your room and cool out! I'm sorry for my outburst—I just need some time to cool out.
2. To cause someone to become calmer. In this usage, a noun or pronoun can be used between "cool" and "out." If you insist on talking to your mother that way, I think a punishment is the only thing that will cool you out. That break seemed to cool him out—he's no longer yelling at the staff.
See also: cool, out

cool someone out

tv. to calm someone; to appease someone. The manager appeared and tried to cool out everybody, but that was a waste of time.
See also: cool, out, someone