This is easy. You use real words strung together in a seemingly random order but if you say them fast enough or with a cockeyed accent on one or two words, it says something completely different. There are a few free online generators for this, so coming up with the random words is fairly easy. Just don't forget what they say once you post them! The one who solves it starts the next game. Here's the first one: Watch chew ear nut washer chi.