blow smoke

Etymology
By shortening of the full expression, deemed less vulgar.

Verb

 * 1)  To speak with a lack of credibility, sense, purpose, or truth; to speak nonsense.

Synonyms

 * See Thesaurus:nonsense
 * See Thesaurus:deceive

Translations

 * Catalan: marejar la perdiu
 * Finnish:, , , puhua joutavia
 * French:
 * Greek: ρίχνω στάχτη στα μάτια
 * Hindi: आँख में धूल झोंकना, चूना लगाना
 * Russian:, поро́ть чепуху́