Off-the-cuff performance (6)
I believe the answer is:
improv
(Other definitions for improv that I've seen before include "Stand-up comedy, perhaps" , "off-the-cuff humour" , "Off-the-cuff comedy" , "little ad-libbing" .)
I believe the answer is:
improv
(Other definitions for improv that I've seen before include "Stand-up comedy, perhaps" , "off-the-cuff humour" , "Off-the-cuff comedy" , "little ad-libbing" .)