Definition from Wiktionary, the free dictionary
- (Internet slang, Wiktionary and WMF jargon) A portion of a wiki needs to be validated by a source.
- (Internet slang, by extension, chiefly humorous) A portion of text, a statement in a video, or any other item published on the Internet may be false or inaccurate.
- Hemant Mehta, "Atheists, there is PROOF of Heaven!" December 4, 2013 https://www.youtube.com/watch?v=_wFaP9duFZU, (retrieved February 6, 2017) You know, every time I hear their stories [of having a near-death experience ] I just want to say "citation needed", because all the stuff they're saying, the only people who believe it happen to be the ones in their circles.
A portion of a wiki needs to be validated by a source.