Meaning of the word "storm in a tea cup" in English

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

storm in a tea cup

US /stɔrm ɪn ə ti kʌp/
UK /stɔːm ɪn ə tiː kʌp/

Idiom

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

Example:
Their argument was just a storm in a teacup; they'll be fine by tomorrow.
Don't worry about it, it's just a storm in a teacup.