xvideo · noun1
Compound of X (“obscene, adult, pornographic”, adjective) + video. The website sense is derived from a notional singular form of XVideos, a pornographic video-sharing website, itself named after the first etymological root and coined in 2007 by the website creator Stephane Michael Pacaud.
xvideo · noun2
From X (“a social networking service”) + video. Coined in July 2023 when Twitter rebranded to X; by analogy with the above sense and the pornographic website XVideos to criticise or mock the name change.
xvideo · proper noun3
In lowercase.
XVideo · noun4
A back-formation from XVideos, a pornographic video-sharing website founded in 2007 by Stephane Michael Pacaud.
Etymology from Wiktionary, CC BY-SA 4.0.