A message primarily sent in Whatsapp or other group chat mediums that contains an offensive snuff video of some sort (ie. violent videos, horrible accidents etc). Usually sent by "That guy" who has next to no filter or shame.

Adj. Something that is expected to have a long lifespan by virtue of having existed for a long time, based on the lindy effect, named for the New York restaurant Lindy's, coined by Albert Goldman and popularized by Nassim Taleb.