When a man sticks his chin into the vagania of a woman on her period.
Guy 1: Hey man did you get ketchup on your chin?
Guy 2: nah man, I'm the Crimson Chin.
by Thebloodychin April 1, 2017
Get the the crimson chin mug.
A person that has a specially large chin. Like the super hero from the show Fairly Odd Parents.
Hey, there comes the Crimson Chin!
by SalBlue June 28, 2018
Get the Crimson Chin mug.
A very difficult maneuver requiring the participant to go through the motions of eating a girl out but with your chin. This term is most commonly referred to as chinning or chin. The crimson chin is when one chins a girl who is on her period causing the blood to be stained on the chin, leaving a crimson hue on the chin, dubbing the crimson chin.
Yo dude you can still see my crimson chin from last night
by IDrinkPiss April 13, 2019
Get the Crimson Chin mug.
1. v. to eat a girl out while she is on her period.

alternatively,

2. v. to throat-fuck an individual to the point that your balls slap against their face with such voracity that their chin becomes chapped and red, thus giving them a "crimson chin".

Daringly, these two actions can be performed at the same time to result in what can only be described as potentially one of the leakiest sex acts.
"I agreed to let Susie crimson chin me, only if she let me do the same to her."
by spacecat September 24, 2014
Get the Crimson Chin mug.
when 69ing with a girl on her period, eating out her pussy with one's tongue and massage her clit with one's chin.
"I crimson chin'd that pussy"
"hardcore crimson chin action"
by anonymouspawnymous January 12, 2012
Get the Crimson chin mug.
When a guy eats a girl out while she is on her period.
Ewww d00d, you ate her out on her period just now? Your have a crimson chin faggot.
by Kvansn April 15, 2008
Get the crimson chin mug.
The Act of Sexually moving you're chin up and down, in a caressing motion, on the Clitoris, while she is on the Red Streak
Janet and I are going to leave soon, i am going to give her The Perscription Crimson Chin.
by DADDYDR.NARDS July 22, 2017
Get the The Perscription Crimson Chin mug.