"Crab People, Crab People, Crab People..." chant?

Question

where did this come from, I hear it all the time in shows like in south park where they keep saying "crab people, crab people, crab people" over and over again. Where did it originate from?

Answer 1

it comes from the metrosexual episode of south park where the guys from  that q***r eye show are actually crab people.

Answer 2

it came from Episode 708 season 7 "South Park is g*y" wich aired on 10/22/2003