give someone a Mickey Finn—(Underworld) add a sleeping drug to smb.’s drink in order to rob, etc.:
- He heard a claim that Rudolph was killed by New York waiters who gave him a Mickey Finn.
take the mickey out of someone—make fun of a person:
- The national papers seemed to think that it took the mickey out of country people, while the Norfolk people thought it ridiculed Londoners!