Pissed off like a little squirrel with a frozen pine cone.
More Finnish Proverbs:
The brave eat the soup, the timid die of hunger.Finnish
Big words won't split ones mouth.
Finnish
Many cakes are beautiful on the surface, but have crappy fillings.
Finnish
If tar, hard liquor and sauna do not cure; the disease is fatal.
Finnish
You can disguise wealth but you can't hide poverty.
Finnish
A month from a skylark, a half from a finch, a little from a wagtail and not a day from a swallow.
Finnish