I've heard the term before (in the US). I don't know how common it is. But I work at a small company and AFAIK their are none here. Although when two of the ex

I've heard the term before (in the US). I don't know how common it is. But I work at a small company and AFAIK their are none here. Although when two of the execs get on each other's nerves I have heard the phrase "Mom and Dad are having a fight again"