When two people are getting action and one person takes a jar of jelly and dumps the jelly in the asshole and slurps it out. Common for both straight and gay couples
Tom: Did you have fun last night?
Ben: I purple slurpled that shit up! I love blueberry jelly!
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.