An acronym for "Dee Dee Dee, Carlos Mencia". This is a phrase used for when someone does something dumb. It is pronounced "triple-dee-cee-em".
Person A: I broke my arm meaninglessly climbing a rock on the first day of Survivor. I now have to wear a sling and cannot contribute to any physical challenges or put my socks on by myself.
Person B: DDDCM....You are totally going to be voted out first. You're deadweight...
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.