LUNK

PRONUNCIATION: (lungk)

MEANING: noun: A dull or slow-witted person.

ETYMOLOGY: Short for lunkhead, from lunk (a blend of lump + hunk) + head. Earliest documented use: 1867.
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LUN, UK - Capital of England, in the vernacular

LUNIK - first Russian vehicle to the Moon

BLUNK - past participle of BLINK