Noun;
"Big Fucking Gun" (also may be referred at the Bio-Force Gun). A fictional weapon that can be used in the Doom and Quake series, both developed by id Software. The weapon is capable of dealing
massive damage to a high volume of demons. In Doom:
The Dark Ages, it's
counterpart is the BFC (Ballistic Force Crossbow), which retains the same ability as Doom 2016 and Eternal's BFG9000.