When one laughs moistly and hysterically. Can be used as a substitute for bland, boring, saddening, embarrassing words such as "lol" and "lmao". Not permitted to be used by red-shoed clowns.
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.