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Nicklas is slang for extreme awesomeness. Nicklas is also the name of people being awesome.

In northern Europe Nicklas is used as a way of describing males with very large penises.
Random guy #1: "I can't believe that touch down"
Random guy #2: "That is so Nicklas"

Guy in showe: "OMFG!! You are hung like a horse! You must be a Nicklas"
by Pikken February 07, 2010