A dagger is a knife that is frequently associated with medieval times or horror movies. It has a sharp point that is used for stabbing the enemy. These were prehistoric tools, and the some of the most common types of materials used back then for the dagger was ivory, bone, flint and even metal. A dagger is a dangerous weapon and is frequently used in horror movies, as well. A dagger tattoo is a popular choice in this day and age. It’s possible to get a single dagger tattoo or have it added to an existing tattoo. It’s common for people who have served in the military to choose this type of tattoo, and it’s viewed in this case as a weapon symbol. This tattoo also represents quickness and the willing to fight for what you believe.