smash it
verb1
Used other than figuratively or idiomatically: see smash, it.
2
Informal to perform excellently; to enjoy great success
- 20 August 2018, Rhiannon Lucy Cosslett in The Guardian, Young women are smashing it at Edinburgh as the #MeToo legacy kicks in In Edinburgh, people keep joking that 2018 isn’t a great year to be a straight white man at the fringe and, to an extent, they are correct. Young female comics are grappling with big questions in their shows, in inventive, transgressive, and brilliantly funny ways. Really, in terms of who is smashing it jokes-wise, there’s no contest.