doggybag Takeout request? Source of tomorrow's lunch, perhaps Restaurant take-home holder Restaurant after-dinner convenience Request at the end of a meal, maybe It's for when one orders too much when eating out Container for uneaten restaurant food Something you have filled when full It wraps scraps Container for what you can't eat when dining out Container for leftovers? Harry has joke about yobs regularly getting leftovers container Leftovers holder Leftovers carrier