1) A person who protects and justifies the actions, behaviour, or opinions of dark-coloured individuals, regardless of whether they are controversial, racist, or illegal. It is similar to a White Knight but related to dark-skinned persons instead of females.
2) A movie title about and the nickname of Batman.
A) My black friend punched me, so I punched him back. A dark knight rushed to his aid and threatened to beat me.
B) When persons of white skin colour make controversial but factual statements concerning persons of dark skin colour, they must prepare themselves for dark knights.
C) The police had no choice but to shoot and kill a black criminal, but many are dark knighting how it is due to the police being racist.
Someone who sits in the restroom long enough that the automatic lights turn off on them.
I just ran into the Dark Knight in the restroom.
Tyrone drop out of college and became a cop.
So he's a dark knight now?
Popular meaning: sperm, or semen.
"She was taken by the charge of the white trouser knights."
"The kick killed some of his white trouser knights."
"She felt the charge of the white trouser knights."
THE SEXIEST KNIGHTOF THEM ALL
I LET THE KNIGHTS FEUDAL DUTY HIT LAST WEEKEND
An obese man with too much courage, and time on his hands (attempts to use his courage to get a relationship partner)
I don't need a knight in shining pizza they're just perverts