[mrangry]

ff in moh hake:

n00b a shoots n00b on accident
n00b a apologizes, n00b b shoots n00b a
n00b a respawns and grenades n00b b, killing n00b c and seriously injuring n00b d

server erupts into tk war, repeat

but of course if you're looking for a good tk war, it's usually easier than the grenade trick.