This is the opposite of a Big Eater. A character simply doesn't eat very much or have a very big appetite. Maybe they prefer other activities to eating, or can be satisfied with small amounts of food. Maybe they lose their appetite when they get nervous. Usually this sort of behavior is quickly explained by eating disorders or illness, but such is not always the case.
Hello, Unkown Troper. You'll need to get known to lend a hand here.
Three days must pass before this YKTTW is Launchworthy or Discardable