an immensely distorted version of a perfectly acceptable british term of 'Bugger' or annoying little rat. A 'nervebuggerer' is an extreme version of the original subject, specializing in the ability to annoy the living hell out of all men, women, and children.
Bob is a nervebuggerer

Why you nervebuggering whore!
by BlurredIndigo June 7, 2007
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