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
Joon	joon	Korean
Byron	BIE-rən	English
Simo	SEE-mo (Finnish)	Finnish, Serbian
Cornelius	[kɔ:'ni:ljəs]
Callixtus	-	Late Roman
Jaylyn	JAY-lin	English (Modern)