A version of kung-fu where several people gang up on someone at once. This can be physical or verbal.
If you post an unpopular opinion, don't be surprised if other posters use negro-fu and all attack you at once.
by j00ann0ym3 March 06, 2014
Get the negro-fumug. Guys who use the phrase "butt-hurt" online are not only gay, but would not have the common courtesy to give a reach-around.
by j00ann0ym3 March 29, 2014
Get the butt-hurtmug.