clam up with

He **clammed up with** embarrassment when everyone stared at him.

Phrasal-verb Anxiety

Meaning

to suddenly stop talking because of shyness or fear

He clammed up with embarrassment when everyone stared at him.

towards a higher position or level

to give help or approval to something

to review your own actions and attitudes carefully

to move or change focus, method, or responsibility

to overcome negativity with compassion and empathy

to become popular or well-accepted among people

to overcome difficulties and grow stronger