A bullshit word used by fucking idiots who barely know English. Probably supposed to mean "inferior," but I have no idea why anyone would think "insuperior" is a word.
My ability to speak correctly is insuperior to yours.
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.