This is the 17608th most frequent Polish word.
zepsutych
"Zepsutych" means "spoiled," "broken," or "damaged" (plural, genitive or accusative form).
Here, 'zepsutych' is used as an adjective in the genitive plural form to describe 'products' that are not functioning properly.
Ten sklep przyjmuje zwroty jedynie zepsutych produktów.
This shop accepts returns only for defective products.
In this context, 'zepsutych' metaphorically describes 'behaviors' that are unacceptable or morally wrong, again in the genitive plural form.
Nie toleruję zepsutych zachowań na tej imprezie.
I do not tolerate bad behaviors at this party.
The word 'zepsutych' is used here to describe 'fruits' that are rotten or not suitable for consumption.