person: i am a 10  friend: haha okay  or  person: wooaa look at her  friend: yeh i know, she is a 10
when used about oneself a 10 describes a person with limiting looks, personality and brains  when used about someone else, it is a rating of the highest appreciation
"person: i am a 10  friend: haha okay  or  person: wooaa look at her  friend: yeh i know, she is a 10" What is the definition of "10"?