2.) Addicted teen - Dude, I was planning on never defiling my lungs with tobacco, but then I saw an anti-smoking ad with the word "blizonko" and, well, f*ck 'em.
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.