Leck mich am Arsch

I don't really mean this but if you happen to be German-speaking, please don't take offence. In English it means something like "lick my ass". Not a good thing to say to people, but apparently an expression used by (German, Swiss?) women when they have their days. And gotta say, it may come in handy one day :)

If you're not a single woman in her 29+ years, living in Zürich, having a boat, an inmate, a social life and so on, you may not know what I'm talking about ;)