can't say boo to a goose

Rur. shy and not talkative. I was surprised to see Joe so talkative at the party. Usually he can't say boo to a goose. She's a quiet little kid. Can't say boo to a goose.

Common Names:

Name	Pronounced	Usage
Nicostratus	-	Ancient Greek (Latinized)
Else	EL-se (Danish, Norwegian), EL-sə (German, Dutch)	Danish, Norwegian, German, Dutch
Dagur	-	Icelandic
Georgina	jor-JEE-nə (English)	English, Dutch, German, Spanish
Alun	A-leen, A-lin	Welsh
Avanti	-	Indian, Hindi