He's not a yellow-belly. He's cautious.Tell the yellow- belly to come outside and say that.
yellow-belly
noun
1
a coward US, 1930.
2
a person of mixed Asian and white parentage. A derogatory and racist reference to skin-tone. An earlier use, from 1842, was by Americans of Mexicans UK, 1867
yellow-belly
n. a coward. Tell the yellow-belly to come outside and say that.