Being a "shomar" is to engage in conversation with people of afican american heritage and pretending you are one of them even though you are a little dipshit white guy.
It is widely know thoughout the world the practices of the church of shomarism, they performs acts like the one mentioned above. People who partake in such actions are commonly known as shomarites. Shomarism is one of the fastest growing religions since the introduction of jedism. Shomarites have their own sacred text similar to the catholics bible, it is known as "the idiots guide to being black", it contains many scriptures on how the followers of this faith should act in everyday situations.
Billy: "look at that white guy pretending to be black, he's such a shomar"