If you go here:
http://www.birdieman.com/stats/2015/12/
and look at all the games between this one...
http://www.birdieman.com/stats/2015/12/20151223.1643.56.DM.EmpoweredIII.7787.htm
...and this one...
http://www.birdieman.com/stats/2015/12/20151223.1731.57.DM.Iceotoxin.7787.htm
...you can see I had a streak of 235 frags without a death, pretty sure that's my record. It ended on Iceotoxin, I was low on health, and I was millimeters from getting the keg (the snowman) when a bot did a seeing-eye flak shot on me. Noooooooooooooo!
(http://www.birdieman.com/pics/forum/20151223.7.game.streak.png)