Door Flagging
When a manager forcefully or dramatically closes the door when a subordinate enters his or her office, an action used to notify nearby employees or passers-by that the subordinate is in trouble and is about to be disciplined.
Jim: Wow! Karla slammed her door when Peter walked in.
Kelly: Yeah, she's door flagging. Peter was late again and Karla wants us all to know we're fucked if we start showing up late too.
Kelly: Yeah, she's door flagging. Peter was late again and Karla wants us all to know we're fucked if we start showing up late too.