I don't perform enough to need them, but one musician in particular that I go to see as often as I can always comes up with little zingers. One night at a bar, there was a group of under-attired college girls hanging around, more in the hopes of being picked up by a minor Austin celebrity than for the sake of the music, and when they got too giggly he paused mid-verse to tell them that their mother was waiting outside to pick them up.