Nipple-harded Posted in N Best definition Nipple-harded Making girls/guys horny.. Otherwises another word for HORNAY. (: (Or just seeing seans nudes) SHH! (: Jake: Man that girl got so nipple-harded last night! Ryan: NO WAI. How satisfied are you with the definition? Looking for Nipple-harded meaning? Delighted that you discovered the greatest determine on our web site! Recently this definition was actually observed 17 times.