Naturism - wikipedia, the free encyclopedia, Naturism, or nudism, is a cultural and political movement practicing, advocating and defending social nudity, most of which takes place on private property. the term. Nudism by young naturists and young nudists america yna, Young naturists and young nudists america (or yna for short) is a young nudism-focused organization for all socially nude and naked friendly people interested in. Save the nudists! nsfw on vimeo - vimeo, your videos, This is "save the nudists! nsfw" by voice media group on vimeo, the home for high quality videos and the people who love them..