Greyman Edit Meaning

1. The art of fornicating with a female during her period. also referred to as parting the red sea, geting your red-wings, or canoeing in a..

1. Military term for Opposing Force during a combat simulations and war game scenarios. EX: The opfor is approximately 300 meters from you..

1. An unpopular model of the Colt M16/AR/M4 family. It was adopted by the US during Vietnam as an aircraft crew rifle. It's brother t..