English Etymology From YTP + -er. Noun YTPer (plural YTPers) Initialism of YouTube Pooper. 2019 March 18, [deleted], “What are the most influential YTPers over the years?”, in Reddit (forum):mrSimon had a fresh, quick style, was one of the first YTPers of any kind, and was also most likely the creator of YTPMVs. 2020 August 22, [deleted], “[TOMT][CHANNEL][2018]Trying to find videos from a trans former YTPer”, in Reddit (forum): 2023 July 26, kozy4stuff, Tumblr (blog):I just learned my favorite YTPer is editing for SnapCube and doing a fantastic job. Remove adsWikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads