Random Complaint Center: Linguistic peeves...

Evangelist (when used in a business context) - If your job doesn't involve a big white tent, a basket of serpents and G-O-D, please call yourself a software marketer instead.

Road warrior - Look around you. Be honest. Do you see the battlefields of Iraq, or the bar of the Courtyard Marriott?

Um...okay. (especially when used in an online posting) - Um...I'm too hip and cool to really respond to your hopelessly 2006 statement. But let me give you the textual equivalent of a condescending pause and a "aren't you stupid" stare anyway.