The joke about the nuns in the bath cracked me up.
2022 October 21, Jason Bailey, “How George Clooney and Julia Roberts Quietly Became the Tracy-Hepburn of Our Time”, in The New York Times:
The joy of “Ticket to Paradise” comes not from its predictable plotting or razor-thin screenplay; it’s from watching them together, from observing how the sparks still fly, and (when the former flames get drunk and let their guards down, or during the end-credit outtakes) watching them crack each other up.
(slang,intransitive) To tease (someone) or tell jokes at the expense of (someone).
1930 December, Lawrence M. Guyer, “Chuck Luck: The Story of a Flying Dog”, in Boys' Life:
From all directions they came to the rescue, one predominant fear gripping their hearts: Fire! Someone had cracked-up. It was for this they sped. The flames that so frequently burst from a crashed airplane became an instantaneous cauldron; many a pilot has lived through the crash to die in the fire that followed.
1983, John Thorn, David Reuther, The Armchair Aviator, page 101:
When I reported this to Burwell by telephone, he called me a Chinese ace — in those days Chinese aces were pilots who cracked up their own airplanes […]