One of Bob Ross's many colors he used to create the universe.
Person 1: What a beautiful red sunset!
Person 2: That's not red you ass, it's alizarin crimson. Bob Ross doesn't use red.
The act of taking out one's tampon and flinging it at one person or a crowd of people with the intention of:
1) transferring any blood-borne diseases the thrower currently has
2)disgusting those in the blast radius of the grenade to the point that they vacate the landing site.
When Emily realized the line at the grocery store was too long, she lobbed a crimson grenade toward the crowd; clearing out the rest of the customers and allowing her to advance to the front of the line.
Being eaten out by a punter who doesn't know you're on your period.
Becca: girlies, Dave left the toilet seat up last night so I gave him a crimson avenger.
When a lord shoves his thumb up a lady's ass and it comes out bloody.
The king woke up with a crimson thumb after a night of 69ing the queen
The 2nd God of Stephen kings verse or dark tower born from the crimson queen who's true form isn't shown we have only seen avatars that he uses to interact with the tower
He's also theorized to be Pennywise but it's only a theory
All hail the crimson king
God of discordia
A handjob from a girl who is on her period and used the mentrual fluid as a lubricant.
"Did you have sex with her?" "No, she was on her period so she gave me a crimson handshake."
a girls period when its at its heaviest
i would have eaten her out but agent crimson was there