(Noun) An individual who conveys a large amount of prejudice to overweight/obese people. Similar to a racist or a sexist, except more tolerable because, other than those with glandular problems, the people targeted by the gluttonist have chosen to be, well, gluttonous.
(at dinner table)
Person A - Can you pass the stuffing?
Person B - SHUT UP FATTY
Person C - Grandmadon't be such a gluttonist!
A trip to a grocery store, convenience store, or gas station for the sole purpose of buying an excessive amount of junk food and sugary drinks, usually with friends. A chud run often happens late at night and ends with everyone involved hating themselves afterwards.