yellow streak

yellow streak (down someone's back)

a tendency toward cowardice. Tim's got a yellow streak down his back a mile wide. Get rid of that yellow streak. Show some courage.

Name	Pronounced	Usage
Braden	['breidn]
Jamshed	-	Persian, Tajik, Persian Mythology
Patroklos	-	Greek Mythology
Shun (1)	-	Chinese
Howe	[hau]
Yoan	-	Bulgarian