arse. from cockney rhyming slang -
1 - arse becomes 'bottle and glass' which becomes bottle (proper rhyming slang normally leaves out the rhyming word, being designed to obfuscate meaning)
2 - bottle becomes aristotle 3 - which gets shortened to arris
referance to a back passage arse also an insult used against stupid people, or at a moment when arse is not aproprate to use. like when around children. or old people.
The most beautiful girl ever. She will give you the most greatest pleasure you have ever desired. Her eyesight might not be all that but her body is. She is the perfect girlfriend.