Da state of being brainless and/or naive regarding sperm and its related aspects/properties/effects, such as making a huge mess, implicating someone in a crime, spreading STDs, getting a girl knocked up, etc.
Willie and Monica sure were woefully incumpetent when they carelessly got love-juice on Monnie's dress and thus revealed that there had been some hanky-panky going on between them.
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.