In continuing with my mildly goofy, completely-off-the-wall mood, today’s Polish idiom just makes me giggle. Hence the reason I chose it.
In English when you someone is very important or highly regarded you say that they are the big cheese. In Polish however they are a gruba ryba, literally: a fat fish.
I don’t know about you, but if someone called me a fat fish, I would be rightly cheesed off.