There are two food groups in the Scooby-Doo universe. One is the giant sandwich, crafted from whatever ingredients can be found in a haunted kitchen. The other is the Scooby Snack, a treat with delicious powers of bribery and persuasion—and now, an official entry in the Oxford English Dictionary.
Source: io9 – ‘Scooby Snack’ Added to Oxford English Dictionary, Presumably After Bribe of Scooby Snacks