Green’s Dictionary of Slang

(UK/US black) acro. Money Over Bitches, i.e. profit before sex.

2003		Urban Dict. 29 Jan. 🌐 mob money over bitches .
2014		Young M.A. ‘Brooklyn Chiraq Freestyle’ 🎵 Fuck M.O.B., I’m M.O.E.
2016		Skepta ‘Mastermind’ 🎵 M.O.B. ’til I D.I.E., these bitches can suck my bone (icy).