Monies paid to a toilet attendent.
I was busting for a piss, but had to fork out the piss tax before releaving myself.
โดย Arch Crippledick 03 กุมภาพันธ์ 2009
1 more definition
A revolutionary way to lose weight.To simply put,whenever one takes a piss,they must now do as many push-ups as they can,hence the reason "tax"
Remember Tom,you owe the pisstax!
โดย Reggie The Writer 01 กรกฎาคม 2014