have a yellow belly

and have a yellow streak down one's back

Fig. to be cowardly. Tex has a yellow streak down his back a mile wide. He's afraid to cross the street!

Name	Pronounced	Usage
Dottie	DAHT-ee	English
VeslemØY	-	Norwegian
Llinos	LEEN-aws, LIN-aws	Welsh
Eider	-	Basque
Ecgberht	-	Anglo-Saxon
Helen	HEL-ən (English)	English, Swedish, Norwegian, Danish, Greek Mythology (Anglicized)