VienneseKletzelnTo scrape yourself using your fingernails; most commonly: scraping things like pimples or woundes.
In most cases, by *kletzel*ing yourself, you scratch your woundes/pimples open.
A source for all you German speakers: http://ostarrichi.org/wort-955-kletzeln-mit*den*Fingernageln*herumkratzen.html (Austrian-German dictionary).
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