From Longman Dictionary of Contemporary Englishcockycock‧y /ˈkɒki $ ˈkɑːki/ adjective informal CONFIDENTtoo confident about yourself and your abilities, especially in a way that annoys other people He’s a cocky little man and I don’t like him. —cockily adverb —cockiness noun [uncountable]
Examples from the Corpus
cocky• a cocky 15-year-old boy• The general seemed altogether too cocky.• She didn't come off well in the interview - she was a bit too cocky, a bit too sure of herself.• Oh, he got cocky and only applied to about five schools.• Not cocky enough not to watch my speed, though, nor to keep looking in the rearview mirror.• But Tranmere, cocky even before the equaliser, played with skill and tenacity.• By this point I had become a cocky pilot on dry asphalt, but snow and ice were something else.• A cocky, selfish veteran who loves nothing but his AK-47, Sacha is at home in the cynical ambience of combat.• My brother can be a little bit cocky sometimes.• a cocky young lieutenant• Another self portrait of a cocky young man.Origin cocky (1500-1600) → COCK12 