1. An expression used as a substitute for lil dawg, lil homie, young blood, young bruh, etc.
2. A young man/little boy, especially if naïve and inexperienced.
----This definition of lil nigga can be more addressed by the older and/or more experienced.----
3. A young man/little boy that's fearful or less of a threat.
The general goal of the LIL NIGGA is to become the MEDIUM NIGGA. Although this is possible, it is a hard task to accomplish seeing as the MEDIUM NIGGA is at a higher level.
Any and every person who has a lower value and social status than the one using the word. The word becomes different when it is used for (good) friends. In the last example, more emphasis is placed on the fact that it is a younger acquaintance.
"Person 1: You gotta check in when you come to (place city here), nigga!
Person 2: Watch yo throat with that bs, lil nigga!"
"I grew up with (random name), that's my lil nigga"