Ultimate Pet Peeve

Pet Peeve #1:

Thresh with relic shield... and he cannot last hit.

Pet Peeve #2:

An ally has been slain : Why did you just sit there and die? You were almost at the turret. : I was going to die from the gank anyway : You were only half health and I am playing a fricking healer. Two minutes later An ally has been slain : ... : I am supporting another lane.

Pet Peeve #3:

Summoner 1: Hi, guys. I am a diamond smurf.

Pet Peeve #4:

4 man tower dives... on me... and no one on their team dies... and it is only 7 minutes into the game...

Pet Peeve #5:

Me: Mom, I can't pause the game... (noob)... Mom: What did you say? Me: Nothing!

What is your pet peeve?