Is there an expression for a person who eats very little, doesn't like eating, avoids it?
I don't mean the medical condition of anorexia, I mean a common preference, like kids who need a lot of convincing to eat their lunch or adults who can run a whole day on a single donut and realize this is wrong but simply don't care and won't eat a solid meal unless you shout at them.
Very informal or even slang words are okay.
Best Answer
You could call them nibblers or pickers.