Glen:  How many Polacks it take to screw up a lightbulb ?
H.I.: I do n't know , Glen . One ?
Glen: Nope , it takes _ three _ .
Glen: Wait
Glen: a minute , I told it wrong . Here , I 'm startin ' over : How come it takes three Polacks to screw up a lightbulb ?
H.I.: I do n't know , Glen .
Glen: 'Cause they 're so darn stupid !
Glen: Shit
Glen: , man , loosen up ! Do n't ya get it ?
H.I.: No , Glen , I sure do n't .
Glen: Shit , man , think about it ! I guess it 's what they call a " way homer . "
H.I.: Why 's that ?
Glen: 'Cause you only get it on the way home .
H.I.: I 'm already home , Glen .