Misery guts British noun phrase UK informal
Used to indicate someone that complains all the time and is never happy.
People in the company avoid Jin like the plague. He is a misery guts and dampens their good mood.
He used to be a cheerful and optimistic person, but now he appears to be a misery guts.
To complain about something in an annoying way
To frequently or constantly talk or complain about one's favourite topic or issue
This proverb advise us that we sholud do something to improve a problem rather than just complain about it.
To show that you are annoyed by talking loudly and at great length (about someone or something).
Daughter: So I really want all my friends to have a great time. I was thinking it would be a good idea to have some candy out on the tables for people to snack on.
Mother: Well, if you want them to really enjoy themselves, candy is dandy but liquor is quicker.