promy
pre-fire in counter-strike
generally occurs when one player is aorund a corner or behind a barrier, and either sees, hears, or notices a player from the opposite team on radar, moving towards their position. To gain the advantage, the player will begin firing before the opposite player is again in their sights(in the assumption that if that opposite player were to keep their same course, they would run into the 'promy', or prefire 
t: turn off ur h4xx, u must be walling
ct: uhhmm noo? i heard you and you ran into my 'promy'