Everybody is wondering what position Kenny will give his brother in their new company. Probably top. Kenny likes to be the bottom in every sexual encounter.
Popcorn means Photo-Oxidant formation by Plant-emitted Compounds and OH Radicals in Northeastern Germany. HO means a woman, in particular one who has many casual sexual encounters or relationships. So basically, popcorn is a woman in plant based sex encountered a lot in a nazi camp.