1 definition by mombojombo2

Top Definition
1. First go to person
2. A close, trusted friend and confidant
3. Consigliere
4. Best friend
I'll never hide anything from you. Your my main g.

Person 1. Have you heard from Dave since college?
Person 2. Oh yeah, we're main gs.
by mombojombo2 October 24, 2010

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