Definition: Parallelopiped is a funny and playful word that refers to two people who are constantly arguing about something small but still seem to be going at it all day long. It's like when you're trying to eat the same thing for hours, but everyone keeps saying "I'm hungry!"

Here's an example sentence using 'parallelopiped': "Hey, what’s going on here? My girlfriend and I are having a heated argument about who is supposed to wear our new sneakers. It's like we have two parallel layers of logic, one that says they need to go out and the other one saying they shouldn't." This sentence uses the word 'parallelopiped' in an edgy way by describing two opposing arguments, where the person with the opposite view feels like they're on both sides. It adds a layer of tension and chaos to the dialogue while still maintaining a humorous tone.