1 definition by Brandon Dowell

The act of removing a tampon and throwing it at someone.
r: "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. "

f: "Ah, the old Crimson Grenade trick."
by Brandon Dowell July 11, 2015
Get the crimson grenade mug.