beat it/someone; "go fot it ", win, achieve something good and a lot more than you expected; shit all over a low score (in a positive way); became a legend in your own lunchtime; beat your personal best (PB) in gym terms
I will smsh it if I deadlift 200kg; I am going to smash my dad in the cycling race; good luck mate - smash it!!!
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.
After a decade long career, selling millions of albums and touring the worldseveral times over, the band finally had a 'smash hit' that went to number 30 in the charts.