Jimmy Carrane calls it “boosting creativity on stage.” I call it “I went blank and now I’m panicking.” To each his own. Carrane’s been doing this longer than I have, so I guess his terms win.
http://jimmycarrane.com/5-ways-to-boost-your-creativity-on-stage/ (updated link)
1. Use an object
2. Begin with a strong emotion
3. Do something physical
4. Adjust your body position
5. Just move
Improv and tacos 