Definitions by PFSOM

Progun 

Noun -
1) A gun in an online game which can be considered professional, or a gun used widely by professional gamer
-or-
2) Something or someone that is so good, it/they could be paid

1) The AK-47 in COD4 is progun

2) Wow, that guy is a totally progun sprinter

Progun by PFSOM May 4, 2009