OH shit, get some water! That pirate's hook of yours is just nasty and filthy and dirty as -- where have you been putting that hook??? (up Peter Pan's butt is the answer; we both know this)
|( を ) よご＊す||
to make something dirty
|( が ) よご＊れる||
to be polluted. Both literally, like a dirty shirt, and metaphorically, like an untouchable person.
My friend said this is an important 'cultural code word,' because in Japan if someone is a dick to you and you fight back in public, you are considered 汚れた, That is, you're linked publicly with that person even if you were defending yourself. That's why girls don't punch guys trying to hassle them. I'm not sure it's true what my friend said, but she's pretty right-wing so she would never make up somethin CCW
pollution OR contamination. (BOOBOO : If you want to say "environmental pollution," you have to use 汚染、 not 公害。)