Sick of your parents telling you to get a job? Trust me, on this one occasion you should listen to them.
I get that you just want to go to your lectures (occasionally) go out and watch netflix with the occasional chill. But think of the money and the long term view. A part time job of 15 hours a week can help you so much especially in the run up to Christmas, and it could save you from your overdraft.
Keep your eyes open for part time/Christmas temp jobs, your bank balance will thank me later.