term used to describe when bananas get old, mushy, and black.

Nigger Dick is used in replacement for "Fuck", or "Shit". Its more creative and will get a laugh due to its randomness.
Because when you think of Nigger Dick, you picture a big, black hairy Penis.

By the way, don't say it in front of a African American person...unless they know the just, they are from the Bahamas or you REALLY wanna get your ass kicked by some guy named Tyron.

A male sex organ of ridiculously large mass and excessive length, known for causing acute pain particularly in overweight, trailer inhabiting, slovenly white women, having it's origin in the lore regarding the hapless but physically gifted African-American slave folk.

also known as BBC (Baby Black Cock) is a male sexual organ belonging to a nigger, a microscope is required to see it because the size is smaller than their nigger brain

A penis belonging to a man (or woman) of the black/nigger race. a Nigger dick is generally extremely huge and is found in either a pair of very baggy pants that are slouching and are being worn by a nigger, or inside of a white woman's mouth, ass, or vagina.