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1.
Wang-dangre is a word used as an insult, it could mean anything it just depends on how you use the word and how the person you are saying it to takes it.
It is usually used as a joking insult.
Example 1-

person 1- "you bloody Wang dangre you knocked my drink off the table"
Person 2- "oi, don't call me that it was an accident"
Example 2- (a joking way of saying it)
When in a car yell out wang-dangre at random people that you pass.
by RTOONS42 June 09, 2009