Engineer is credit to team!
rape other teams isn't fun for me.
A good, equal game is the best fun you can have in TF2.
That or when someone gets really angry and starts whining. I was on a random (very quiet) pub with someone on the other team whining about how it was unfair to play heavy. The player who was the heavy in this case wittily responded "CRY SOME MOOOAR"