Noun
cheat meal (plural cheat meals)
An occasional meal for which a person on a diet is free to disregard the normal restrictions on what to eat.
I eat 230 grams of protein daily, 308 grams of carbohydrates, maybe 70 grams of fat. I can have one cheat meal a week but it can't be that I eat until I'm stuffed; I eat until I'm satisfied. Tyson Gay