YouTube /ˈjutub/noun 3verb 3forms 3 noun3 •Any website that allows users to upload content, particularly YouTube itself.None of this is to suggest that academic libraries should turn their websites into a YouTube or Facebook in which our user communities would create all the content,[…] — 2007 •(informal) A small video that can be viewed online, particularly one hosted on YouTube.Then it's a YouTube of some kid trying to play "Radar Love" on a cheap guitar using only his feet,[…] — 2007 •A YouTube channel. verb3 •To search for and view on YouTube.Inquiry elicited that he was a pop singer. I YouTubed him, revealing another ghastly microphone-gripping, anguished nasal wailer. — 2015 •To upload a video of something to YouTube.The revolution will not be televised. It will be YouTubed. — 2007 •To upload or watch videos on YouTube. formsYouTubed · YouTubing · YouTubes