talk through one’s hat

in. to say baseless things; to speak carelessly and tell lies. You don’t know what you are talking about. You’re just talking through your hat.

Name	Pronounced	Usage
Candelario	kahn-de-LAH-ryo	Spanish
Melete	-	Greek Mythology
Morrow	['mɔ:rəu]
Nizhoni	-	Native American, Navajo
SÁRi	-	Hungarian
Brontes	-	Greek Mythology