Stands for Random Fucking Grenade. Like in COD when someone randomly throws a grenade, and it always happens to hit you.
by BrokenBlackWolf July 06, 2010

by JEHCMH May 04, 2008

by that1redguy June 28, 2008

"Let's play some RFG and sledge some buildings!"
by Tegrat July 09, 2009

by Crimson_Koala April 05, 2009
