Definition of "arsehole"

Second cut, quick flash to the anus careful not to cut any sacs of roe. Then hold up the slimed thing and quickly slit down the other side to the arsehole again.

1986, Keri Hulme, The Knife and the Stone: Te Kaihau: The Windeater, page 103

Harriet waited until she was still before striking her again, this time vertically, on the arsehole.

1994, G. C. Scott, His Mistress's Voice, 2010 eBook, unnumbered page

Lessons aren't due to resume until two, and Sugar is longing for the respite, if only for the opportunity to remedy her physical discomforts – numb, half-frozen feet, armpits clammy with sweat, a sore and itchy arsehole.

2002, Michel Faber, The Crimson Petal and the White, Part 4: The Bosom of the Family, page 533

“He's dead, you arsehole!” I yelled at the top of my lungs, determined to get a word in edgeways.

2006, Donna Moore, Go to Helena Handbasket‎, page 55

“Marilyn, ye must know that he was an arsehole as well as an idiot. Everyone must tell you that.”

2007, Bernice Friesen, The Book of Beasts‎, page 345

But I said to her, ‘Look, I don't know what your real feelings are towards your father, but I strongly advise you, if you've got anything to say to him, even if it's just to call him an arsehole again, do it now. […] ’

2009, Ozzy Osbourne, I Am Ozzy, unnumbered page