quick, acknowledging head nod done from head facing down to head facing up, all the while with you eyes facing the person you are nodding to.
done in a manner as to acknowledge a persons presence but at the same time in leu of a handshake or actual greeting. sometimes can be seen as a polite alternative to an all out snub (ie: ignoring the person who knows you saw them).
"Seen your homeboytray the other day"
"did he say wassup?"
"naw we still kinda beefin so we just gave each other the nigga nod and kept it pushin."
A broke ass uneducated nigga that sits at home smoking playing Xbox all day that sends his girl to work to make the money. As she comes home and the door opens he's got his hand out taken her money.
Using a black person to say the n word for you if you'rewhite.
White person " Hey I need you to say the n word for me to those idiots online"
Black person "No"
White person "Why not?"
Black person "Cause it's niggasploitation"
White person "What is that?"
Black person "Using a black person to say the n word for you"