Cock money is when you perform the AMAZING and very exciting manuever in which you wrap your cock with a dollar bill and have a girl take it off with her mouth. it's kinda expensive but trust me IT'S AMAZING
DAMNIT i'm broke.. but i had some pretty fucking good Cock Money!
Money earned by a male prostitute for the customer service he gives with his meat, and the pleasurable stimulation provided to his clients' cocks.
Hustler's accountant: "Brad, just write 'cock money' in this box on the tax return to indicate the source of income."