@MariachiMacabre said:

I had a Spy ally start trying to backstab me when I was a Sniper...repeatedly. He was raging over text why "this sniper hacker won't die" and I just said "Yeah I'm on your team". I guess he forgot what color he was.

Accusing people of 'hacking?' What is this, 1998?

I had so much fun last night. Joined a random server with low ping, and I think most of the players were new, because I was consistenly in the top 3. That almost never happens.
 
Medic healed me (Scout). Awesome. Übering me when there are both Soldiers and Heavies around me and 5 enemies approaching? Maybe not the best choice. Still cool though, because I did get to take down 2 Snipers on Badwater, but I never expect to get Übered.
 
Oh, and freaking out Engies that are just standing around, waiting for the cart in Badwater? I love seeing that. No turrets to be found, and newer players never expect Scouts that deep in their base.
 
It's nice to get a bit of an ego boost now and then. Played again today: I was average, as usual.

The people on the Giant Bomb server always expose their backs to me

Spys blatantly running towards you out of their team disguised as one of yours. Spys decloaking anywhere, spys not disguising. Mostly spy stuff.

@MariachiMacabre: To be fair, that glitch still exists that your HUD colour doesn't change between rounds sometimes. :P