You may have never heard of Bård Ylvisåker and Vegard Ylvisåker, but they’re well known in Norway as being Ylvis.

They’ve released a song and video called "The Fox" and some are calling it the “song of the summer,” for reasons you’ll soon learn.

The duo host a talk show on TVNorge and the song is part of a promotional campaign for the show. Though the video is in English, it still has subtitles so that you know exactly what they’re saying, and if you haven’t seen the clip yet you’re in for an unexpected treat.

So what DOES the fox say?

Tchoff-tchoff-tchoff-tchoff-tchoff!

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