Coo new meaning (Concise Slang, 2000) adj./adv. Sweet, cool, pretty god damn cool. (Oxford) Small, dove-like sound. Also expression of love.

COO is short for Chief Operating Officer.

A COO is part of executive management in a company, and is usually one step below CEO. The COO is responsible for overseeing the operational matters regarding the company.

Coo (?), v. i. [imp. & p.p. Cooed (?); & vb.n. Cooing.]


To make a low repeated cry or sound, like the characteristic note of pigeons or doves.

The stockdove only through the forest cooes, Mournfully hoarse. Thomson.


To show affection; to act in a loving way. See under Bill, v. i.

"Billing or cooing."



© Webster 1913.

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