It relates to stuk, which means broken in this context. It can also mean a piece. You could read it as (broken) into pieces.

What other posters said, respond with the blinking. My son calls them eye kisses. It shows trust. In case you’re unfamiliar: you look at her and slowly close your eyes for a second. She might mirror it. Facing a fierce predator such as the one you pictured and confronting it willingly blinded, even for a second, takes courage. She’ll honour it most likely. Also food and clean water, preferably placed in separate locations.

Don’t remember the movie or show but on aired in Korea I saw they would blur out parts such as cigarettes as well as arm pits (male actor) and a chef’s knife (prop was being held with the actors intention to defend herself).