be all about (someone, something, or oneself)

be all about (someone, something, or oneself)

1. To be focused on someone or something as the subject or topic. This documentary is all about the fashion industry. I think the book is really all about the ways that we deceive ourselves.
2. To be completely preoccupied with oneself. She's all about herself these days, so I doubt she even heard a word you said.
3. To be passionate about or very much in favor of someone or something. Yes I'd like one! I'm all about getting free stuff! I never liked them as a group, but I'm all about their solo projects.
See also: all
Farlex Dictionary of Idioms.

be all about somebody/something

(informal) used to describe the subject or purpose of something: This book is all about Greece. Now then, what’s this all about (= what is the problem)? It’s all about money these days.
See also: all, somebody, something
Farlex Partner Idioms Dictionary
See also:
  • be all about somebody/something
  • world-beater
  • a mine of information
  • talking head
  • open (one's) mind (to something)
  • open mind
  • open your mind to
  • opening
  • a sticking point
  • dead horse