long life / old age / age / life / birthday / funerary
寿
=
丰
+
寸
:
Mnemonic symbol: 寿桃包, a longevity peach bun.
Sherlock Holmes (sh) wants to have a long life, so he decided to just stay in a golden cage (丰) in the outhouse's bathroom (ou4) and has someone bring him longevity peach buns (寿) every now and then. Every time he gets his snack he gives the person the thumbs up (寸).