Based on our searches on the Internet, yellow has some implications when used in rap. Some of it might be inappropriate so use them well and with discretion.
Yellow is used as a form of hello. This comes from the fact that both words sound very similar.
“Yellow? You called my number?”
Yellow might also be used to refer to the mainland Asian race. This slang is derogatory and racist so you better not use it at all. It calls back to the yellow skin associated with Asians.
“Never call someone yellow. That is inappropriate.”
Lastly, yellow is the color of cowardice and fear. When you call someone yellow, you are saying that they are fearful or cowardly.
“Stop talking. We all know how yellow you are!”