There should be a difference in words between getting gibbed by a sniper, nade, or knife (2 frags) and getting gibbed by a shotgun (1 frag).
I think it would be more appropriate for the sniper, nade, and knife to stay as x player gibbed y player but for the shotgun it should be something else.
EDIT: The post above me could also be nice. Also differentiate getting gibbed by sniper, nade, or knife.
x player got headshotted (sniper) / gibbed (nade) / knifed (knife) by y player.
I think it would be more appropriate for the sniper, nade, and knife to stay as x player gibbed y player but for the shotgun it should be something else.
EDIT: The post above me could also be nice. Also differentiate getting gibbed by sniper, nade, or knife.
x player got headshotted (sniper) / gibbed (nade) / knifed (knife) by y player.