The waft of air that is felt upon sitting down when pants, skirts, shorts, or other ill-fitting clothing is not properlysuspended, tightened, or belted.
Dude, I forgot to wear my belt today and got a huge assdraft when Ipopped a squat to have a smoke!
Steve: "Did you hear about Charlie and his hamster?"
Jane: "Sure did - that must have really torn some stuff up, huh?"
Steve: "I guess... that's what you get for bein' an assgrafter."