Related Clues:

• Improvise, speak without notes
• Skip the lines?
• Surprise the director, maybe
• It comes off the top of one's head
• Deliver off the cuff
• Is appearing in better act with zero rehearsal
• Improvised line
• Is impressed by better jam
• Improvised comment
• Actor's improvisation
• "Stick to the script!" elicitor
• Spontaneous extra line in rap
• Ditch the teleprompter
• Embrace spontaneity, in a way
• Wing it at the mic