Dry as the desert. Lacking all moisture. Usually used when describing an extremely hot day, or really overcooked food. Gives the same feeling as when particularly dry food gets caught in your throat.
The rapid firing of several small farts, that when done correctly, sounds quite similar to a small mouse riding through the house on a motorcycle. Putt putt putt putt putt!
Mother: Um, Junior... do I hear someone passing a series of popcorn farts?