"When he saw the policemen coming, he said: 'Hello, you two w*****s'. He told the mayoress and the lady vicar to f*** off. He stands on the top of his cage swaying his head backwards and forwards, singing 'B*****ks', "B*****ks'." (...)
<>Barney does also know some marginally more polite words, apparently. When he sees someone he likes approaching, he says: "Hello, big boy." Fonte