The mandatory monetary or material dues owed to the female party from the male party in any romantic or sexual situation, particularly while a male and female are regularly dating.
Gabby: "Do you think he'll pay for my movie ticket on our date tomorrow?"
Sara: "Girrrl, you better MAKE him pay for that ticket, he's gotta pay his booty tax!"
Sara: "Girrrl, you better MAKE him pay for that ticket, he's gotta pay his booty tax!"
by SPantera December 26, 2009
Get the booty taxmug.