That is a particularly good illustration of the practice of 'capering'.
Sea Tramp the thinking woman's 8 Ace,
Fri 22 Jul 2011, 2:04,
archived)
he's also good at "antics" and "shenanigans"As well as "rollocking nonsense."
(
Brims Spurts.,
Fri 22 Jul 2011, 2:05,
archived)