Used in place of a thing which you can't remember the name of & dont really wanna; similar to a whatchamacallit or a thingamajig except item (or mood of speaker) is less pleasant. Could be used during a brain fart
"Remind me to take that stinky-bobby next time I go downtown so I can get itfixed!"
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.