laugh somebody/something out of court
laugh something out of court
to dismiss something presented in earnest as ridiculous. The committee laughed the suggestion out of court. Bob's request for a large salary increase was laughed out of court.
laugh out of court
Dismiss with ridicule or scorn, as in When he told them the old car could be repaired, they laughed him out of court. This expression, which originally referred to a case so laughable or trivial that a court of law would dismiss it, originated in ancient Roman times but has been used in English, without its former legal significance, since the late 1800s.