A monster living in the basement that eat toast off a dirty table during the pandemic. Only use to describe someone or something nasty disastrous and hopeless such as: that nigga mo down the street was horrendous he slept through the rough rough night in the cold.
It also describe someone that has dying passion about something useless or meaningless in life like fire force or arguing with kids on Instagram.
1. From the words "my nigga". It's a nice way of telling someone they are your nigga, without them actually knowing what the hell you're saying. They will think you just screwed up their name and are calling them Monica, with a funky ass language impediment.