Meaning of the word "A storm in a teacup" in English

What does "A storm in a teacup" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

A storm in a teacup

US /ə stɔrm ɪn ə ˈtiːkʌp/
UK /ə stɔːm ɪn ə ˈtiːkʌp/

Idiom

a lot of anger and worry about something that is not important

Example:
Their argument over the seating arrangement was just a storm in a teacup.
Don't worry too much about it; it's probably just a storm in a teacup.