Having enough expendable or disposable income to afford to purchase a bust (marble or other like materials).
âBack when I was working at my old job I was making much more moneyâbust money.â
Speaker One: âHeâs doing really well. Look at how his house is decorated. He has marble busts in his library.â
Speaker Two: âHe just got a new position that pays really well. Heâs got bust money.â