When you or people did something so over the topoutrageous, either good or bad, in the greatest of ways, that it literally excelled so far at what was done, there is no comparison in known history, to say someone else went further.
On top of everything they did, destroying that kids life, years later on, they after the girl they cost him to use as a leverage on him, this one really takes the cake, you honour.
Relating to fellatio, "taking the gravy" means allowing the man come in one's mouth then swallowing his ejaculatory discharge and leaving his organ completely clean.
When somebody does something so idiotic, in the greatest of ways, what was done was so stupid, there is no comparison in known history, to say someone else did something more idiotic.
Doctor: "I've seen a lot of guys hurt themselves in stupid ways in my day, but yours takes the retard cake!"
Short for: "It takes all kinds". Takes all kinds is a way of saying "I don't know, that person is weird, but it takes all kinds of people to run the world, even if those people are weirdos."
Person A: What is she doing with her life? Why would she buy a lawn flamingo buisness?
Person B: *sigh* Takes all kinds.