Class 1 Nullo - A man who has had his testicles removed (castrate).
Class 2 Nullo - A man who has had both his penis and testicles removed (smoothie).
Class 3 Nullo - A man who has had his penis, testicles, nipples and
belly button removed (extreme smoothie - xsmoothie).
Class 4 Nullo - A man who has had his penis, testicles, nipples,
belly button, fingernails and toenails removed (nullunx).
Class 5 Nullo - A man that has had his testicles, penis, prostate, seminal vesicles removed to prevent any sexual function and who cannot physically ejaculate. In addition, his nipples and
belly button has been removed to prevent any sensitive parts of his body from being stimulated. His has had both his fingernails and toenails removed so that the
end of his phalanges are smooth. (extreme nullunx - xnullunx)
Class 6 Nullo - A man that has had his testicles, penis, prostate, seminal vesicles removed to prevent any sexual function and who cannot physically ejaculate. In addition, his nipples and
belly button has been removed to prevent any sensitive parts of his body from being stimulated. His has had both his fingernails and toenails removed so that the end of his phalanges are smooth. In addition his ears have been removed so that he has no protrusions on his body (unicorn).
