Green’s Dictionary of Slang

(US black) an all-purpose term meaning totally committed, covering variously one’s knowledge, willingness, sexual availability, self-assuredness etc.

1997–2000		College Sl. Research Project (Cal. State Poly. Uni., Pomona) 🌐 Bout it, Bout it (phrase) 1. Hip to something. (From Master P songs.) 2. Down for whatever; in agreement. 3. Sexually active. 3. Cool. 4. Standing up for yourself. 5. To know what is up. 6. To be game. 7. What are you doing.
1998		Eble Campus Sl. Nov. 1: ’bout it – well regarded by peers: ‘I’m ’bout it, ’bout it’.
2001		Source Aug. 68: She was definitely ’bout it.