(Columbo walks into a restaurant carrying a donut)
Waitress: You buy that here?
Columbo: Uh, no. I bought it from the donut shop because I was going to eat it in the elevator. Then I saw my friend here and, uh... (she glares at him) I'm really terribly sorry.
(He wraps the donut in a napkin and gives it to the waitress who hands him a menu.)
Columbo: (looking at menu) Well, let me see, uh, um, let's see now.
Waitress: I can come back.
Columbo: No, no, no. I'll have, uh... I'll have a donut.