Can mean a variety of things from actual African-American person to a vague variety of adjectives ranging from the blanket positive affirmation to the negative insult.
Also can be a verb with ambiguous definitions ranging from scheming someone to helping someone out to a great extent.
A black poker chip, generallythe highest value among the lot. May it also be noted that neegs tend to have very high influence on a poker game due to the fond attatchments that are created between player and neeg.