From Longman Dictionary of Contemporary Englishthe munchiesthe munchies informalHUNGRY/WANT TO EATa feeling of wanting to eat something, especially food that is not healthy for youhave/get the munchies Get me a packet of crisps – I have the munchies. → munchies
Examples from the Corpus
have/get the munchies• If you get the munchies later on there are some cookies in the kitchen. 