Being Dimkalicious or being called it means that you are comparable to Dimitri Belikov, in the way that he is sexy, gorgeous, bad-ass, amazing, "like a god", fierce etc.
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.