A comeback that is stronger and better than ur mom gay, ur dad lesbian, and your granny tranny combined. For best results, use when they are speaking about politics at the dinner table. Even better if they don't even have a step-mom. Just because it has a political use, doesn't mean you can only use it then.
"Them: (insert politician here) and anybody who follows them is a cuck.
You: Yarv stepmommie a commie.
Them: *dies*"
"Friend: ur mom gay
You: your'e dad lesbian
Friend: your granny tranny
You: Yarv stepmommie a commie
Friend: *falls on the floor crying uncontrollably*."