bilmişlik yapmak

listen to the pronunciation of bilmişlik yapmak
Turkish - English
talk through one's hat
To speak lacking expertise, authority, or knowledge; to invent or fabricate facts

Did he, though, Lady Lawless? That's good. Well, I guess he was only talking through his hat..

To assert something as true or valid; to bluff

He's conceited and opinionative and argues all the time, even when he knows perfectly well that he's talking through his hat.

talk nonsense; boast, show off, brag