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
Alexia	[ə'leksis]
Gunhilda	-	Scandinavian (Rare)
Midge	MIJ	English (Rare)
Apoorva	-	Indian, Hindi, Marathi
Etele	-	Hungarian (Rare)
Verissimus	-	Late Roman