Definition of arsehole in English:

arsehole

noun

British
vulgar slang
  • 1A person's anus.

  • 2A stupid, irritating, or contemptible person:

    ‘he's a total arsehole’
    ‘leave me alone, you arseholes’
    idiot, ass, halfwit, nincompoop, blockhead, buffoon, dunce, dolt, ignoramus, cretin, imbecile, dullard, moron, simpleton, clod
    View synonyms

Origin

Late Middle English: from arse + hole.

Pronunciation:

arsehole

/ˈɑːshəʊl/