talk through hat

talk through (one's) hat

1. To say foolish things; to talk nonsense. Don't pay Jonathan any mind, Mary, he's just talking through his hat again.
2. To exaggerate one's achievements or knowledge; to bluff or boast. Dorothy keeps saying she can outrun anyone in our school, but she's talking through her hat if you ask me. It seemed like the candidate was talking through his hat for a while when the debate turned to the topic of tax policy.
See also: hat, talk, through
Farlex Dictionary of Idioms.

talk through one's hat

Fig. to brag or exaggerate; to talk nonsense. That can't be so! You are just talking through your hat! Pay no attention to Mary. She is just talking through her hat.
See also: hat, talk, through
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

talk through (one's) hat

1. To talk nonsense.
2. To bluff.
See also: hat, talk, through
American Heritage® Dictionary of the English Language, Fifth Edition.

talk through one's hat, to

To talk nonsense; to pontificate about something one knows little or nothing about. This late nineteenth-century expression calls up an image that makes no sense whatever. Theodore Pratt (Thunder Mountain, 1944) added a little meaning to it, writing, “You’re talking through your hat, and your hat is full of holes.”
See also: talk, through
The Dictionary of Clichés by Christine Ammer
See also:
  • talk through (one's) hat
  • talk through one’s hat
  • talk through one's hat
  • talk through your hat
  • talk out of (one's) hat
  • talk rot
  • talk through one's hat, to
  • talk out of the back of (one's) head