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English word wazzock comes from English wise
wise (English)
(colloquial) Disrespectful.. Showing good judgement or the benefit of experience. (ergative, slang) Usually with "up", to inform or learn.. To become wise.
pillock (English)
(UK, mildly, pejorative, slang) a stupid or annoying person; simpleton; fool.
wazzock (English)
(British, originally, Northern England, mildly, pejorative, slang) A stupid or annoying person.