Mnemonic symbol: a Mohawk haircut. It fits the hair "to stand on end" and the character itself looks like a head with a Mohawk haircut facing towards the left.
James II of England (zh) tries out a Mohawk haircut (乍) in the ashram's bathroom (a4).
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Napoleon started a war, and his first act is to parachute into the elevator's bathroom, wearing his military beret and all. He's lucky to have landed in the bathroom because unfortunately he's sick, with a colorful rash all about his skin and the urge to puke.