one of many vague,
nebulous, meaningless marketing hype phrases with no prerequisites, rules or regulations required to
differenciate between them.
see: hit,
break-out/thru, smash.
they imply that the product is already in some way "successful" & therefore is deserving of your attention, because you the consumer are a follower & couldnt possibly find something interesting on your own unless thousands or millions or others had already experienced it & said it was worth your valuable sheeple time & interest.