A job/function that one can possess that will most likely lead you to say "sheesh, what a niche you have"

To bang the shit out of a female you wouldn't normally date and most other guys wouldn't find attractive. She has to have something special about her, your niche!

One's personal style, in relation to the life that one leads.

Noun. - A nerd who is only interested in a very well-defined sub-subset of nerd culture. While nerds are generally believed to like comics, video games, D&D, sci-fi, anime and astrophysics all at the same time, the niche nerd enjoys one or two things and tends to ignore or downright repudiate the rest.

The word Niche is used at Murrieta Valley High School to be very mean. Karissa Nash hates it..

Another word for not having any food or drink to hand or not eating anything at all.