Unblooded, unattached Orcs, are rejected and despised by their own species, often considering such individuals to not be true Orcs. ... "Round tooth" is a common derogatory term for such individuals among Orcs.

What is a blooded Orc?

An Orc is considered "blooded" as a sort of right of passage after completing an impressive feat of bravery (often violent), meaning gang involvement is rampant in the Orc community.

What do the orcs represent in Bright?

Orcs are an allegory for African-Americans.

There is racial inequality in the real world, and so this movie does its best to demonstrate that in its imagery. While there are a few moments where we are hit over the head with this allegory, Bright shows us just how deep this goes.