When people try to sing the lyrics of a song, but don't know the actual lyrics so they just throw in words that sound like they might fit.
People who give me advice about a problem that they obviously have much worse (ie: A 300-lb 5' 5" man giving health advice to someone who's 150-lb and 6')
Anyone who eats with their mouth open, or eats loudly, it's fucking disgusting.
Cubism and Abstract art. They are the farthest thing from aesthetically appealing.
People who are overweight and think that it entitles them to handicap treatment.
People who judge games based only on graphics, or judge games within an hour of playtime.
People who drag their feet, or can't seem to WALK IN A STRAIGHT GODDAM LINE.
People that can't accept that other may have different opinions about things than them.
People who try to imitate accents, and think they are good at it, just because their grandparents were said nationality.
I've gotten crap about this before but people who say that all black people in America are African American... Unless they were born in, or their parents where born in Africa, they are just Americans. I'm not German American, just American.
People with no patience. If you can't wait, at least go the fuck away and leave me alone.
People who judge people based on their appearance, parents, or nationality based on stereotypes.
Religious people who think 'God' is there just to use as a threat towards people who happen to piss them off, or as a scare tactic against Atheists or people of opposing religious faiths/beliefs.