This is the 7142nd most frequent Russian word.
брыльска
The word "брыльска" does not appear to exist in Russian; it might be a misspelling or incorrect transliteration.
Here, 'брыльской' is used as an adjective to emphasize brilliance or significance.
Я думаю, новая книга этого автора будет брыльской находкой.
I think the new book by this author will be a brilliant discovery.
In this instance, 'брыльская' describes a smile that is striking or impressive.
Его брыльская улыбка покорила зал.
His radiant smile captivated the audience.
Here, 'брыльской' characterizes a gem to denote something uniquely valuable or exceptional.