nosesturbation Posted in N Best definition nosesturbation Noun. The act of sticking an object up one’s nose in order to induce a sneeze. Portmanteau of “Nose” and “Masturbation”. I engaged in some pretty hearty nosesturbation over there. How satisfied are you with the definition? Looking for nosesturbation meaning? Delighted that you discovered the greatest determine on our web site! Recently this definition was actually observed 75 times.