cheat day
noun1
A day on which a person on a diet or similar restriction on activities is free to disregard them.
- When I was first losing weight (or trying to, anyhow), I lived for my cheat day.2012, Paul James, Take It Off, Keep It Off: How I Went from Fat to Fit ... and You Can Too, page 79:
- Related terms
- cheat meal, day off