An extremely specific number that comes after 15771816492 and before 15771816494. In words: fifteen billion, seven hundred seventy-one million, eight hundred sixteen thousand, four hundred and ninety-three.
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.