LadyBridgerton
'Leaping to concussion' is what my late ON did at College, he ran along a corridor and leapt down a short flight of steps without realising that the ceiling of the corridor made it dangerous to do, he slammed his head into the overhang and was out cold. This was long before elf'n'safety demanded a black and yellow tape on the edge of the lower ceiling to warn other idiots!
Reminds me of a conference venue I once attended as a teenager. It was an historic house which had once been used as a hunting lodge, and it had low ceilings. Over one of the flights of stairs, part way down, was a sign which read "DUCK OR GROUSE?" At nearly 6 ft in height, I did the latter...