quake in (one's) boots

To tremble with fear or nervousness. (Sometimes said sarcastically.) My brother is so strong and scary-looking that people quake in their boots when he threatens them. Ooh, I'm really scared of you! I'm quaking in my boots, you frighten me so!

Common Names:

Name	Pronounced	Usage
Vipin	-	Indian, Hindi, Marathi, Malayalam
Ozias	-	Biblical Latin, Biblical Greek
Tatianna	ta-tee-AN-ə, ta-TYAN-ə	English (Modern)
Eadwulf	-	Anglo-Saxon
Julek	YUW-lek	Polish
Liana	-	Italian, Portuguese, Romanian, English