~ 1
■ verb ( ~ out ) informal
1》 (of a machine) break down.
2》 faint or go to sleep.
↘die.
Origin
First World War: of unknown origin.
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~ 2
informal
■ noun
1》 Brit. a person's nose.
2》 dated a person's head.
■ verb hit on the head.
Origin
C19: perh. an alt. of conch .