conk Definition

conk¹
noun

slang:
1. The nose.
2. The head.
3. A blow, especially on the head or nose.

verb

conked, conking
1. To hit someone on the nose or head.

Etymology: 19c: probably a variant of conch.

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conk²
verb, intr

slang:
1. Said of a machine, etc: to break down.
2. Said of a person: to collapse with fatigue, etc.

Etymology: 20c.