In this strip Homer asks why he's such a loser and it prompts Bart to think, reply and explain that it was genetic. This then humorously makes Bart realize that with being a loser being genetic, means that he's going to turn-out to be a loser too. Ha-ha, that's very funny!
SANTY CLAWS, HUH? OOH, I'M REALLY SCARED. SO, YOU'RE THE ONE EVERYBODY'S TALKING 'BOUT- HA HA HA HA! YOU'RE JOKING, YOU'RE JOKING! I CAN'T BELIVE MY EYES! YOU'RE JOKING ME, YOU'VE GOTTA BE. THIS CAN'T BE THE RIGHT GUY! HE'S ANCIENT, HE'S UGLY, I DON'T KNOW WHICH IS WORSE. I MIGHT JUST SPLIT A SEAM NOW, IF I DON'T DIE LAUGHING FIRST. (etc. etc.) -xRose7333x