…and meet somebody in Finland, try this:
Ääliö, älä lyö! Ööliä läikkyy.
It means something like don’t hit (me), (you) idiot! the beer (will) spill. Thinking of the situation, it might perfectly match your ability of correctly pronouncing words at that moment. Nice.
I found the Swedish version:
(But this means something different: In the stream there is an island and in the island there is a stream. Although this might be a good answer from the guy who just ran into you, hehe.)
Hej
Looks like a tounge-twister to me. AFAIR ö means island and å stream.