chat shit

verb3

1. •
   (slang, vulgar) To talk nonsense or to lie.

   • I shagged David Beckham last week. – Stop chatting shit; that's a load of bollocks.
2. •
   (slang, vulgar) To untruthfully speak of another in a belittling, deprecative, slighting manner, either in person or in absentia.

   • Chat shit, get banged.
3. •
   (slang, vulgar) To have a casual or meaningless conversation.

   • My brother came round and we were chatting shit for hours.