get big

As a verb, it is used to describe a future action in which one exceeds the normal outcome. For example: If you are about to eat more food than average, you might say "I am going to get big in the kitchen." Can be used in a variety of ways: in reference to eating, fighting, taking a test, anything.

Somebody just got big in the bathroom.

I am going to get big in the andrology lab today.

Get big with that panhandler.

I'm hungry as shit, let's get big.