Definition of be full of it in English:

be full of it

phrase

informal
  • Be lying or talking nonsense.

    ‘don't listen to a word she says, she's full of it’
    • ‘He is full of it on his economic policies.’
    • ‘He was full of it when he was explaining why he withheld information from the inquiry.’
    • ‘Now you're contradicting yourself, and that tells me that you're full of it.’
    • ‘"They were good salesmen, but they were full of it," says a plumber.’
    • ‘She was full of it, spouting out a load of rubbish she probably read in the tabloids.’