cuckoo
adjective
1. Crazy; not sane.
noun
1. a man who is a stupid incompetent fool
Similar word(s): bozo, fathead, goof, goofball, goose, jackass, zany
Definition categories: person, fool, muggins, sap, saphead, tomfool
2. any of numerous European and North American birds having pointed wings and a long tail
Definition categories: animal
verb
1. repeat monotonously, like a cuckoo repeats his call
Definition categories: communication, echo, repeat