From Longman Dictionary of Contemporary Englishbe full of crap/shit/itbe full of crap/shit/itnot politeWRONG/INCORRECT a rude expression used to say that someone often says things that are wrong or stupidDon’t listen to Jerry. He’s full of it. → full
Examples from the Corpus
be full of crap/shit/it• His head was full of it.• The very donkey boys were full of it.• Usually her hands are full of it.• Television is full of it about election time.• I thought she was full of shit, but what the hell?• Black cats are full of it, while pale animals have less. 