I happen to be of 'a certain age' before children were supposed to be wrapped in cotton wool! I can well remember 'the leg slapping dance' this would comprise of me committing a misdemeanour, my mother grasping my hand/arm and me dancing the 'dance macabre' trying to avoid the slapping hand. Oh the fun and hours of entertainment we had.
I rememeber it well, one slap for each syllable, "If (slap) you (slap) ev- (slap) er (slap) do (slap) that (slap) a- (slap) gain (slap).... Thank god mum didn't know many long words