手術

Mnemonic symbol: a baseball glove. Sherlock Holmes (sh) is trying out his new baseball glove (手) in the outhouse's living room (ou3).

术 = 丶 + 木 : Mnemonic symbol from 手术: surgeon.

In the space station's bathroom (Ø4) the surgeon (术) wants to tickle Sheldon Shrimp (shu) with a petal (丶), but Sheldon thinks it's a trap and he wants to cut him open, so he hides behind a Christmas tree (木).