This theory said that there were four types of fluid in the body (black, yellow bile, blood, and phlegm).

Dark yellow bile began dripping from the corners of his mouth.

He had felt sick that morning, and had vomited painfully for an hour until at last only yellow bile came away.

He retched and coughed, bringing up nothing more substantial than a few threads of yellow bile.

Choleric people were characterized as having an excess of yellow bile, making them irascible.

Flesh cracked with each step; yellow bile leaked out of his cuffs.

But the nausea remained, and a taste of hot yellow bile at the back of her mouth.

Only yellow bile remained, but still it churned and surged up his throat.

Marcus dry-heaved onto the floor, a line of sticky yellow bile connecting him with it.

He slowed on the highway and pulled over to the shoulder to heave yellow bile.