Fool

It is used to describe people who do not reply to messages, such as "Chen Q (陈琪)" in the Chinese, who usually rarely reply to your messages.This kind of person is usually annoying, unless that's who you are. IF THAT'S THE CASE, YOU ARE A FOOL.It has a certain pejorative connotation, but it is not strong, and it is not an abusive word.

If you can't reply , you are a fool,Right?
DON'T BE A FOOL , SO , REPLY ME!!!!!!!

Fei wuu

An insulting word used to express that the other party is waste, fool. Same meaning as "废物" in Chinese.Used to express that the other person is a useless person (waste)

Oh,Chen Q,you are tooooooo silly!!! Are you a Fei wuu?
You even can't deal with the smallest problem, you are a Fei wuu!

Duck Daisy

This term is often used to describe a group of people who are stupid but always think they are very smart.
*****NOT A PERSONAL NAME!!!!!*****
It is a noun

oh,you are toooooooo foolish , like a Duck Daisy!
hey,Chen Q,do you know you are a fool? You really like a Duck Daisy!!!