Cách sử dụng
The word 'cuckoo' is most commonly used to describe a type of bird with a unique call. However, it can also be used to describe someone who is acting strange or crazy. For example, if someone is behaving erratically, you might say "they're acting cuckoo." It's important to note that this term can be seen as insulting, so it should only be used in certain situations and with caution.