When two girls are having a fight and one pulls her bloody tampon from her vagina and throws it at the other.
"Did you see the fight between Donna and Jackie?" "Yeah man! Donna ended it with a crimson grenade!"
by Juggs87 July 11, 2015
by supertavs July 11, 2015
When two high school girls are in a fight, and one pulls out her tampon and flings it like a grenade at the other.
"Hey Mark, you hear about that fight earlier?"
"Yeah man, I heard Suzy used the ol' Crimson Grenade on that bitch"
"Yeah man, I heard Suzy used the ol' Crimson Grenade on that bitch"
by Rk1859 July 11, 2015
When I was a sophomore these 2 girls got in a fight in my Spanish class and it escalated to the point where the one girl realized her best option was to take out her tampon and throw it across the room - otherwise known as 'firing the Crimson Grenade'
by Sordid Shuang July 11, 2015