Regardless of the culture or language, most insults and expletives tend to revolve around gross stuff like bodily waste, sexual acts, and familial insults, especially of mothers.
By that logic, the ultimate insult is: I had sex with your mother’s poop! 🍆🤱💩
Wait a second… 🤔 😕
Maybe some things are less than the sum of their parts. 🤷