Definition of Cuckoo
crazy; mentally unstable
Examples of Cuckoo in a sentence
As the odd-looking woman continued singing and dancing loudly in the middle of the street, passersby shot the cuckoo some strange looks. 🔊
The young boy insisted that he could see ghosts and swore he wasn’t cuckoo or crazy. 🔊
Although she wasn’t mentally ill, illegal drugs made the strange-acting woman appear cuckoo. 🔊
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