female-presenting nipples A phrase utilized in an updated version of Tumblr's community guidelines posted on 3 December 2018 as part of their ban on pornographic content. The terminology was meant to include feminized breasts (i.e. estrogenized breasts or breasts altered to appear estrogenized using substances like silicone); however, the awkward phrasing was widely mocked in various locales of the internet, becoming a short-lived meme. female-presenting nipple