This is the 10491st most frequent Russian word.
взорвались
"Exploded" or "burst."
Here, "взорвались" is used to describe an actual explosive action caused by bombs.
Взорвались бомбы в городе.
Bombs exploded in the city.
The verb "взорвались" is used metaphorically to convey a sudden outburst of emotions.
Её эмоции словно взорвались при взгляде на сюрприз.
Her emotions seemed to explode upon seeing the surprise.
In this case, "взорвались" depicts a figurative explosion, illustrating the sudden emergence of numerous ideas.