bullshit vs talk through one's hat

bullshit is a noun but talk through one's hat is not a noun.

Word	Noun	Adjective	Verb	Adverb
bullshit	Yes	No	Yes	No
talk through one's hat	No	No	Yes	No

As verbs, bullshit and talk through one's hat are synonyms defined as:

bullshit and talk through one's hat: speak insincerely or without regard for facts or truths

Other synonyms of bullshit include bull, fake.

bullshit (noun)	talk through one's hat (noun)
Obscene word for unacceptable behavior

bullshit (verb)	talk through one's hat (verb)
speak insincerely or without regard for facts or truths	speak insincerely or without regard for facts or truths