Fun Fun Fun: I slept With Your Mother

Two men are seated in a crowded bar one night.
One starts to insult the other.
The loud one screams : 'I slept with your mother!'
The bar gets quiet as everyone listens to see what the other man will do.
The first man again yells : 'I SLEPT WITH YOUR MOTHER!'
The second fellow replies : 'Go home, dad, you're drunk.'