An alternative name for Spike from "Buffy the Vampire Slayer", referring to what he was called before he was sired.
"Have you heard? They call him William the Bloody because of his bloody awful poetry!"
"It suits him. I'd rather have a railroad spike through my head than listen to that awful stuff!"
A "inner city" or "street" gang. the origin of the gang is in L.A.. But now the gang has been mimicked all over the country. They are big rivals with the Crips
In the history of the United States, "waving the bloody shirt" refers to the practice of politicians referencing the blood of martyrs or heroes to criticize opponents.
In American history, the phrase gained popularity with a factitious incident in which Benjamin Franklin Butler of Massachusetts, when making a speech on the floor of the U.S. House of Representatives, allegedly held up a shirt stained with the blood of a carpetbagger whipped by the Ku Klux Klan. (While Butler did give a speech condemning the Klan, he never waved anyone's bloody shirt.)
When you're watching a modernised version of Macbeth in class but the kids only seem to care about the food so the teacher uses the phrase to tell them off.
It's when you have sex with a girl, during her period. The point is your "hero/penis" will go into the cave, do what has to be done, and it will come out all bloody, like if you've killed a dragon.
It's a reference when the knight/hero is going into the cave with the sword to kill the dragon and comes out with a bloody sword.
"Yo bro, yesterday I went to get The bloody sword if you know what I'm sayin'."