Meaning of ASS in English
An ~ is an animal which is related to a horse but which is smaller and has long ears.
If you describe someone as an ~, you think that they are silly or do silly things. (INFORMAL)
He was generally disliked and regarded as a pompous ~.
Your ~ is your bottom. (AM INFORMAL, RUDE; in BRIT, use arse , bum )
Saying that someone can kiss your ~ is a very rude way of expressing anger or disagreement. (AM INFORMAL, RUDE)
PHRASE: V inflects feelings
a pain in the ~: see pain
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012