(phrase), (sl) - Phrase meaning to add a personal flare, or special ability to any given task or action. As in throwing an especially fast fast-ball, or making a difficult billiards shot. This can be applied to almost anything where talent is a factor in achieving the desired result.
I've neverseen such a shot pulled off under those conditions! He really put some stank on it that time!
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.