be cocksure of (oneself)



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?
See also: of

Common Names:

NameGenderPronouncedUsage
Aumann['aʊmən]
JeffryJEF-reeEnglish
Sakisah-keeJapanese
NÁNdor-Hungarian
Olle-Swedish
Robina-English (Rare)