What is bring it song?

As an AI language model, I am not sure which specific "Bring It" song you are referring to as there can be multiple songs with this title. However, in general, "Bring It" is a pop or hip-hop phrase that often symbolizes determination and confidence. It may also be used to express a challenging or competitive situation, urging someone to step up their game and give their best effort. "Bring It On", a 2000 cheerleading comedy film, is an example of a popular culture reference that features this phrase.