fly apart
Upper Intermediate (B2)neutral
Break into many pieces that go flying in different directions all at once.
"The old engine flew apart during the test run, sending metal fragments across the workshop floor."
Hear it in context

Is God More Than a Story? Jonathan Pageau with Jordan Hall on DarkHorse
Bret Weinstein · 16:36
increasingly necessary lest the world in fact actually fly apart.

Why Skewers Are the Best Way to Grill | Made in House | Bon Appétit
Bon Appétit · 12:18
so when your guests go in there and they rip them, they'll fly apart.