Chili Make Hot Small Red Green Seed Case

the small, red or green seed case from particular types of pepper plant that is used to make some foods very hot and spicy:

Vanilla grew hot chilies in her apartment and sold them to restaurants.

Embarrassment felt a lot like eating chili peppers. It burned in the back of your throat, and there was nothing you could do to make it go away. You just had to take it, suffer from it, until it eased off.