Acronym for "Thank You for Pissin' Me Off." Commonly used to refer to singing "Thank you for pissin' me off!" to the tune of "Thank you for makin' me smile!"
Jay: "Not gonna make it on time to get you from the airport...kinda 'losttrack of time' lol"
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.