quake in one's boots
to be afraid, to shake from fear
I was quaking in my boots when my boss told me to come to his office.
Peewee, a toy Boston Bulldog, appears to recognize the features of his owner, Doris Brownlee, who is getting a television test in San Francisco, Calif., March 1, 1938. This is a type of home receiving cabinet being experimented on in the San Fransisco laboratory of the Farnsworth Television Company. The man at left is unidentified.