I require assistance once again from the one and only Family Guy

I see this meme all over Twitter and I don't get why would it be rude

Peter I don't understand why the problem is my car? Peter? What are you doing step-peter?

Peter, is it cum?

Don’t get it

What did the shark do Peter?

Don’t get it. Found on r/standupshots

This must be a peak German joke I found on Facebook. Help Peter

Peter can you ask joe why are Turkish military weapon names better than American

Cookies???

Where's the punchline?