A Yannett is usually a girl from a big town who is very over dramatic. She is high maintence and should be avoided in large crowds. Also, she is fearful of scarey movies and is always running late.
Also, she text messages a lot and may be surgically attatched to her cell phone.
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.