Opening the oven to check if there are any pots, pans, and/or Tupperware left inside before using it to cook. This is a reference to the common practice among European-Heritage Americans living below the poverty line to use the oven as a storage place when not in use.
I had to do a White Trash Welfare check so my MeeMaw didn't burn the house down like Mama did preheating that oven full of Tupperwares back in '82.
An individual who is self absorbed and disinterested in others situations simply because they can be. They can often be heard dismissing others opinions and beliefs simply because they don’t agree with them. They think they’re in a higher class than they really are.
This guy just walked into Panera and went straight to the front of the line, when someone tried to say something to him he let them know he was a preferred customer. I thought everyone had a Panera card, that guy is Middle Class Trash.