This is the 15216th most frequent Russian word.
попасться
"Попасться" - to get caught or to come across.
In this sentence, 'попасться' conveys unexpectedly encountering or coming across an item or object, often with a connotation of serendipity.
Сегодня мне попался интересный журнал.
Today I came across an interesting magazine.
Here, 'попасться' is used to mean getting caught or apprehended, typically relating to someone breaking rules or behaving improperly.
Он попадётся, если продолжит нарушать правила.
He will get caught if he continues breaking the rules.
In this context, 'попасться' expresses encountering or finding something compelling or desirable among options.