A Cunting
A cunting is someone who has zero taste and thinks they're the best thing since sliced bread. They usually end up getting kicked out of every pizza place they go to.
You just called your aunt a cunting after she tried to order a triple cheeseburger with no veggies.
At the mall, the guy in line behind you was a cunting and tried to cut in front of you.
Your teacher called the class a bunch of cuntings because they all failed the test.