People who drive in the left lane of the highway and there isn't a car around for miles.
Or the driver that drives in the left lane and holds up everyone because they can't PASS the car in the right lane.
The above two are multiplied by a PO factor of 100 when they are yammering on the cell phone.
The f***wad that speeds up every time you try to pass them.
People who drive in your blind spot (As if you didn't have a clue?!?!)
Inconsiderate/rude/ unruly children.
Smelly/untrained/ unruly indoor dogs.
Slow internet connections.
Passengers who leave pop cans in your car. More so if the can still has fluid in it. Do you really think I need to pick up after you or spill your half drank pop in my car???
Folks who poor a glass to drink and never finish it. (if you didn't want that much, why did you pour it???)
People who don't late the late traveler at the airport go ahead of them even though their flight isn't going to be missed.
When a flight crew asks that those without connecting flights remain seated so those passengers that are late can get to their next flight..... the clowns that stand up and clog the aisle even though they have no connecting flight.
People who hang up on you.
(My apologizes for any grammatical errors