Meaning of the word "tongue tied" in English

What does "tongue tied" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

tongue tied

US /ˈtʌŋ ˌtaɪd/
UK /ˈtʌŋ ˌtaɪd/

Adjective

unable to speak clearly or express oneself well, especially due to shyness or embarrassment

Example:
He became completely tongue-tied when he met his idol.
I get tongue-tied when I have to speak in front of a large audience.