to become extremely drunk beside a lake or in a similar outdoor area(~river,pond etc) at an early hour of the day and make drunken phone calls to people giving them advice on matters that you have no business in.
'oh god,i was surkogged beside the ucd lake the other day-i had two bottles of wine..i dunno what i even said to ur man on his dvd player from power city'.
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.