v. Repeating, re-tweeting, or otherwise distributing, in butchered form, jokes or "bits" that Jimmy Fallon did on his show, or pretending a joke is from Fallon when you made it up yourself.
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.