[ adjective ] disgustingly dirty; filled or smeared with offensive matter
"as filthy as a pigsty" "a foul pond" "a nasty pigsty of a room"
Used in print(William G. Pollard, Physicist and Christian....)
I hear the boot of Lucifer , I see his filthy face '' !(John Dos Passos, Midcentury....)
And there I was shacked_up with Eileen in that filthy fourth floor attic on Hudson_Street .