When someone twists your words and wins an argument by means of terminological acrobatics, verbal diarrhoea or lexical voodoo.
Eugene: The only reason opposing counsel won was because of some serious lexifuckery.
Meaghan: Seriously! I just said one word and their lawyer just went on a 20 minute rant about how it proved I was guilty!
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.