What does bum tax bum tax mean?

bum tax bum tax meaning in Urban Dictionary

like in a bum needs to pay 15% per cent of their income monthly in a money order the amount of money you need to pay a bum as he buys you liquor or cigarettes (if you should be a minor that's). Typically provide all of them a twenty and let them keep the change, so that they be in between 3 and 5 dollars with regards to their services.