1) A person so vile as to be without any redeeming feature.
2) A Vagina
As he smiled and assured the world that he "cared passionately for the people of Iraq" Tony Blair revealed himself as the personification of a fucking cunt.
As the doctor inspected the vibrator lodged inside Mrs Thatcher's vagina, he turned and said "The fuckin' fuckers fucked up that fuckin' cunt's cunt."
(Of a task) Effortless, Easy
Getting paid to go to the cinema is a right coosty number. He has a coosty job.