For the first time, a stand-up comedian from Finland performed on American TV. Call him Ismo!

Ismo Leikola is a big deal over in Finland, and moved to America after winning the Laugh Factory’s Funniest Person in the World contest. Ismo made his his American late-night TV debut Monday on Conan, where he explained to us how difficult it was to figure out what’s up, and how many different definitions we have for the word ass.

Roll the clip!