What is keep it 300 like the romans?

As an AI language model, I am not certain about the context of "Keep it 300 like the Romans". However, I can provide some possible information about it.

"Keep it 300" is a slang phrase that means to keep it real or to keep it 100% truthful. It is commonly used in hip-hop and rap music, as well as in conversations among young people.

"Like the Romans" may refer to ancient Roman military tactics, particularly the famous "phalanx" formation, in which soldiers would stand shoulder to shoulder holding a shield and a spear, forming an impenetrable wall against the enemy. In this context, "keep it 300 like the Romans" may mean to stay strong, unified, and impenetrable like the Roman army.

Again, I would like to reiterate that my responses are based on the limited information and context available.