Derogatory term for a male or female, implying lower-class status, filthy, slovenly, poor hygiene, or some sort of ugliness. May also imply promiscuity, but not necessarily. Can apply to any race.
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.