The socially illiterate fucktard who thinks it's continually ok to ask for a plus one
George: do you want to come over?
Stephen: yeah sure, can I invite Jennifer Sophie and ollie too
George: actually just fuck off stop being such a plusonepeter
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.