What is Big Pants?
1.
To use one's size, authority, or power to impose their interests or wishes on someone.
Employee- "Can I have a raise?"
Boss - "No, you should be happy you have a job."
Co-Worker - "You straight-up gotz big pants'd."
See
2.
something that is fun to yell at random
Tyler Sanderson yelled BIG PANTS during study hall.
We should have yelled BIG PANTS during "How to Deal" because it sucked ass