A very dirty, unpleasant, or bad place.
This word is very rude and impolite. It is not a nice thing to say.
Examples:
The alley behind the restaurant is a shithole.
I don't want to live in a shithole.
The old house is a shithole.
I wouldn't go in there, it's a shithole!
The bathroom was a shithole after the party.
The park used to be nice, but now it's a shithole.