See also: mark I eyeball

English

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Alternative forms

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Etymology

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In reference to mark 1; the designation commonly given to the first version of an invention, before the addition of any improvements or enhancements.

Noun

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mark 1 eyeball (plural mark 1 eyeballs)

  1. (military, humorous) The naked eye.
    Don't worry, I'll use my trusty mark 1 eyeball here.