spin (someone) a yarn

Translations
рассказывать небылицы
He spun us a yarn about his adventures in the Amazon.
Он рассказал нам небылицы о своих приключениях в Амазонии.
Definitions
To tell someone a long, imaginative, or exaggerated story, often one that is not entirely true or is intended to entertain or deceive.
Words
spin

verb
рассказывать
someone

pronoun
кому-то
a

article or possessive pronoun
один
yarn

noun
небылица