Duhamel is a last name given to a man/woman that is super strong and super smart. Duhamel is the last name of somone that has no fear and has a hot girlfriend/boyfriend.
Girl 1: OMG Look at Tobias Duhamel he is soo hot.
Girl 2: Yeah!! And he's super smart.
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.