be cocksure of (oneself)

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be cocksure of (oneself)

To be completely certain of oneself or one's actions, to the point of overconfidence. You seem pretty cocksure of yourself—do you really know how to handle that machine?
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References in periodicals archive ?
The film - called The Cocksure Lads - recently premiered at the Whistler Film Festival in Canada.
3) A Southern speakeasy comes alive with dancers in ``Idlewild,'' which follows the adventures of a shy piano player and a cocksure nightclub owner.
I am unsure whether someone who is so cocksure of themselves as a financial whiz will really believe and heed the warning stories either.
One of the surgeons was a cocksure resident working without supervision; the other, a senior surgeon heavily involved in medical student teaching, who should have known better but was incapable of listening to advice.
He quotes the young Augustine of Hippo (not Canterbury) describing the Rome of the fourth century: `In public we were cocksure, in private we were superstitious, and everywhere void and empty.
Perfumed & cocksure, you'd never know he sat for hours
Unlike many sentimental environmentalists or cocksure exploiters, Schullery finds no shame, even as a scientist, in saying, 'I don't really expect ever to fully understand my relationship with wildlife.
I suspect some of us might disagree with this cocksure bullish approach to human lives.
Those cocksure northerners and brash Americans aren't afraid to proclaim that their game is great and everything else is either "roobish" or "trash".
To be that cocksure and so completely at ease in a top flight game when aged only 16 was an indication of the type of talent Everton had on their hands.
WHEN an old adversary called Parallax re-emerges in the Lost Sector, venerated Green Lantern warrior Abin Sur (Temuera Morrison) is fatally wounded in the ensuing melee and his ring chooses cocksure United States Air Force test pilot Hal Jordan (Ryan Reynolds) as a worthy successor.
But today the cocksure dealer, who imagined he was untouchable, is behind bars after police found a huge stash of drugs at the home of his neighbour Susan Welsh, in Blyth.
Hugh Cornwell's departure in 1990 might have finished a less cocksure outfit.
And Pine has the cocksure persona of a young Leonardo DiCaprio crossed with Matt Damon to fill William Shatner's boots.
Diesel delivers his lines in that trademark bass growl without a hint of emotion, while Walker plies his cocksure young dude shtick ad nauseum, and amazingly doesn't disrobe, even for a perfunctory embrace with Brewster's old flame.