Ok, here I go.....
1. Those certain people of Brazilian ancestry who seemingly forget their antiperspirant every morning, and then seemingly forget that there is a thing called PERSONAL SPACE!!!!!
2. Flash photography. I don't care if you take a thousand pics or video in a ride, but don't hold the camera up in my line of sight, and DO NOT use the light or flash.
3. Wheelchair abusers - whether they're the Krispy Kremers that someone else mentioned, and just drive around like kings in those motorized flab-mobiles, or if they're just moms/kids/others using one just to cut in line.
4. Teen girls who scream constantly in the Haunted Mansion. I rode once where I seriously could NOT hear the dialogue, which is played right there in MY omnimover, next to my ear! The mansion is not scary, but has some startling parts in the graveyard and attic - still not worthy of screaming CONSTANTLY and trying to compete with the airheads in the next car.
5. Kids with no discipline. I know they're inquisitive, and curious, but there was a kid in A Bug's Life right next to me who COULD NOT sit still, kept kicking me when he stood up in the bench, and asked his mom a thousand questions ("What's that bug?" "Why are people laughing?" "What's that mean?" "What are we doing next?" "Can I have a cracker?") AHHHHHHHHH!!! Parents, PLEASE, give them some discipline or they'll be the teenagers I cuss at in Movie Theaters!
6. Cheaters. People who abuse the FastPass system, or cut in line.
7. Cell phones. Why do you even have them at Disney World? I leave mine in the hotel room because I surely don't want to talk to anyone in the real world when I'm on vacation there! And if you DO bring it, put it on vibrate or OFF - if it rings in a show or ride, I'd just love to break it, and you!
Whew! Sorry! Got on my soapbox there.....hope I didn't offend too many people, because if I did - that means you fit one of my pet peeves, HAHA!