verb (used without object), cooed, coo·ing.
verb (used with object), cooed, coo·ing.
Origin of coo1
interjection British Slang.
Origin of coo2
Examples from the Web for coo
We coo over how cute our cat is and minimize the drudgery of cleaning the litter box.
They told the public not to believe that the COO meant what he said even though, yes, he said it.
The next day, Chrysler panicked and tried to walk the story back, though they never challenged the accuracy of the COO quote.
They vary in pitch and intelligibility as they reach their excited climaxes—or when she interrupts them to coo at Max.Meet Mariann From Brooklyn, Howard Stern’s Biggest Fan|Kevin Fallon|February 28, 2013|DAILY BEAST
Yesterday news came that Gillett was stepping down in order to move to Symantec as COO.
From behind them as they marched, tolled the low sweet bell-notes of the mourning dove—“Ah—coo, coo, coo.”Everyday Adventures|Samuel Scoville
Like the man o' Amperly's coo, she's come hame routin', but no very fu', wi' the tow about her horns.The Proverbs of Scotland|Alexander Hislop
Even in the old days, she would flirt and he would beat her, and then they would bill and coo for a month.The House Opposite|Elizabeth Kent
"So my birdies must coo at midnight on the house-tops," he finally remarked.Mlle. Fouchette|Charles Theodore Murray
Be coo'—Don't hector me, ma'am, but fetch that warming-pan at once.The Astonishing History of Troy Town|Sir Arthur Thomas Quiller-Couch
verb coos, cooing or cooed
1660s, echoic of doves; the phrase to bill and coo is first recorded 1816. Related: Cooing. The noun is recorded from 1729.