隱射

隐 = 急 + 阝 : The pope (阝) and Maud Younger (y) both need to go to the bathroom in the encampment ((e)n3) urgently (急), but they both forgot the secret (隐) pass phrase so they cannot open the door.

射 = 寸 + 身 : Mnemonic symbol: a rocket launch pad.

Sherlock Holmes (sh) is ready for takeoff in the elevator's bathroom (e4) and stands on of the launch pad (射) taking a final shower. As there are many journalists, Sherlock prepared to be extra fancy and wears a tight body suit (身). He smiles at the photographers and shows them a thumbs up (寸).