A combination of lightning mcqueens catchphrase "kachow" from the disney/pixar movie cars and the word "pussy" referring to a womans reproductive organ. Basically we're talking about some top quality pussy here
Lightning mcqueen : Who need they kachussy ate?
Twins : OMG US!
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.