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
Jamshid	-	Persian, Persian Mythology
Hillman	['hilmən]
Ghyslain	-	French (Rare)
Taisto	TIES-to	Finnish
Loretta	[lə'retə]
Kou	-	Hmong