A ventriloquist is telling Irish jokes in Davy Byrne's pub in Grafton Street, Dublin, when, O'Leary, an irate Irishman stands up shouting, 'You're making out we're all dumb and stupid. I oughtta punch you in the nose.'
'I'm sorry sir, I...........'
'Not you,' says O'Leary, 'I'm talking to that little fella on your knee.'