look up any word, like the eiffel tower:
To stand up to one's own group, family, clan or political party, and do the right thing.

As used in a sentence, "If someone is being picked on, step forward and nikkel".
Colorado's Senator BJ Nikkel stood up to her own political party, and voted in favor of Civil Unions for homosexuals.
by Herdon Katz May 20, 2012