this refers to smegma which is bacteria, vaginal secretions and debris that collect within labia minora, usually in someone that doesn't take many showers.
That girl is really nasty and she's a real vanilla cream on a warm apple pie
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.