A Watse is somebody that has a lot of musical talent and great grammar. This name is usually seen in Tsjom. Watse is also another word for typo.
Person 1: Oops, I made a typo.
Person 2 No, you did a Watse!
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Person 1: Woah, did you know that guy is a very talented music producer?
Person 2: Yeah duhh, his name is Watse!