(My best friend from high school Jennie could attest to that - Sometimes I couldn't turn it off:p) You saw that in Robin Williams in «Good Morning Vietnam» in «Mrs. Doubtfire» and how he ad libbed in Aladdin. (nakedpastor.com)
On the other hand: CFOs of giant companies generally don't do a lot of ad - libbing in public forums. (recode.net)
He squeezes some yuks out of shooting claustrophobic footage of Cedric the Entertainer ad libbing on an office set, but Pastore quickly proves to be a bad match to this material. (grouchoreviews.com)