
I've got every kind of FILTH down here
except the kind I like.
Game of Thrones Season 4, Episode 7

The children don't need to hear your FILTH.
Game of Thrones Season 1, Episode 2

is complete FILTH.
The Big Bang Theory Season 7, Episode 17

coated in dirt.
Filth.
The Big Bang Theory Season 12, Episode 24

I don't listen to FILTH.
Game of Thrones Season 2, Episode 2