When one is photographed unbeknownst to his or her own awareness and have not been made aware by the photographer until immediately after the photo has been taken, a long period of time after the photograph has been taken, or in extreme circumstances, notified by the emergence of a picture in a public forum or social network.
Billy thought nobody noticed his terrible drunken attempt at his version of the lawnmower dance, until he logged onto his Facebook account the next day to discover he had been photosniped, and live action pictures of his terrible dance were all over the social network.
by JohnnyAppleweed February 22, 2013