Synonyms for yellow streak

Show 'em that the Yellow Streak can lick anything on this hill.

He said the Yellow Streak could beat any thing in this vicinity.

Here is where Glutts shows 'em what the Yellow Streak can do!

But I always suspected he had a yellow streak in him and this proves it.

This wouldn't have happened and fellows would have said you had a yellow streak.

I always said that joker had a yellow streak in him somewhere, and that was where he showed it.

It is astonishing how quickly this "yellow streak" in the population faded.

I was afraid all along you had a yellow streak, and now I know it.

You can't tell when anyone will develop a yellow streak, you know.

No “yellow streak” there, but clear grit through and through.