BFG

[Naval Acronyms and Slang] British Forces Germany
Found on http://www.encyclo.co.uk/local/21733

BFG

[weapon] The BFG is a fictional weapon found in many game titles, mostly in first-person shooters such as the Doom and Quake video game series. The abbreviation BFG stands for `Big Fucking Gun` as described in Tom Hall`s original Doom design document and in the user manual of Doom II: Hell on Earth. The Quake II manual says it stands for `B...
Found on http://en.wikipedia.org/wiki/BFG_(weapon)

bfg

big fucking gun
Found on http://www.noslang.com/dictionary/b/

BFG

A large gun (big f#$%ing gun)
Found on http://hubpages.com/hub/A-Glossary-of-Video-Games-Terminology

BFG

Big friggin' gun
Found on http://www.chatslang.com/terms/online_gaming
No exact match found