What's the grossest moment in the show?

For me it's this right here. The noise it makes always makes me cringe, but the way Butters runs away screaming is fucking hilarious. You know it's bad too, because even Cartman and Timmy are horrified.

For me it's this right here. The noise it makes always makes me cringe, but the way Butters runs away screaming is fucking hilarious. You know it's bad too, because even Cartman and Timmy are horrified.