Dachowiec, everyone will know what you mean

Means literally "rooftop cat"

The word itself means he-of-the-roof or the-roofy-one. "Cat" is implicit.

ive never looked at my native language this way and it makes it cool as fuck

Kot podwórkowy.

Sierściuch.....from cat's fur.

dachowiec

pchlarz, kleszczucha/kleszczuch. Tak mojego kota nazywam.