arsehole
arse-hole
noun
The anus; the opening at the end of the digestive tract.
"He fell and landed right on his arsehole."
noun
A contemptible, unpleasant, or extremely annoying person.
"Don't be such an arsehole to your mates."
noun
A very difficult, unpleasant, or frustrating situation or thing.
"This whole project has been an arsehole."