The use of extra letters and/or syllables to a word, in an attempt to sound more intelligent while speaking. Often, the person who hears it, thinks quite the opposite.
When the speaker said, "Me and my friends were 'conversating' about the election", I thought to myself that he was guilty of abecedarianism, since he should have said 'conversing' instead.
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.