A breakfast muffin made with prunes and coffee grounds baked in, for lots and lots of extra fiber and caffeine. Guaranteed to wake you up, give you plenty of extra morning energy - and go through your entire digestive tract like a Vesuvius of wire brushes!
My wife and I had an argument, so she served me a Roto-Router Red-Eye Morning Wakeup Muffin with my breakfast; and, by the time I got to work, I almost had to stick my thumb up in my butthole, to keep from crapping all over myself as I ran to the nearest restroom!
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.