Definition of dive in in English:
Help oneself to food.
- Not one to be intimidated by exotic foods, she bravely dove in and was surprised to find she actually kind of liked it.
- If the food is placed on her tray, however, she dives in with both hands and eats with obvious enjoyment.
- She promised that more were coming, but for now, everyone dove in.
Definition of dive in in:
- British & World English dictionary