NEK’A! (NI’KA’) Posted in N Best definition NEK’A! (NI’KA’) T-Town Slang..adam and dustin made this word it up it is a simplified version of “nigga” I bet you 50 cent NEK’A! How satisfied are you with the definition? Looking for NEK’A! (NI’KA’) meaning? Delighted that you discovered the greatest determine on our web site! Recently this definition was actually observed 42 times.