pissbag

noun2

1. •
   (vulgar, rare) A bag holding urine.

   • After the first two weeks, I was able to stand on my own and wobble to the toilet to empty my pissbag; […] — 2014
2. •
   (vulgar, offensive) An objectionable person.

   • I’ll know you again, arsehole, and your pissbag of a driver. — 2008