Lol this was awesome at my server, I'll reenact what happened.
Doomed (Knife) [Guy]
[Guy] (Knife) Doomed
[Guy] Has gotten revenge on doomed*
Doomed (Knife) [Guy]
Doomed Has gotten revenge on Guy*
We were both spies (TF2 CTF), and I backstabed him when he had his Deadringer out, so then I took mine out having no idea he was alive, he backstabbed me, then I went around him and backstabbed him back =p.
Edit: Note all he said to this was WTF!!?!?!?!?!!?