Old people sucking air through their false teeth
People who say 'right' at the wrong time while their listening to me (makes it sound like they're not really listening)
People who don't lift their feet off the ground properly and make a shuffling noise.
Lack of spacial awareness - suddenly stopping in front of you in the street

humans

People who use wallpapers that are a lower resolution than the screen, and console fanboys.

"Could care less".

Probably you. Ever since you started making such interesting threads.

Leaving the "s" out of the word "maths".

I don't like it when Steam goes down.

When students throw objects in the classroom.

LAWYERS

humans

me

Open office writer
people with more than 5 icons on their desktops.
people that name their folders as "New Folder (###)"
Religious fanatics
people that acts like Religeous fanatics, in others aspects of their lives (aka, futbol, politics, etc)
people that believe that interacting on the internet is the same as interacting on the real life, and think that the same rules aply to both cases.
HUEHUEHUEHUE brazilians on online games
grammar nazis
Moral fags
pointers in C
people that believes that i can fix and operate every single DAMN apliance ever created by man kind, just becuase i know something about computers
Linux fanboys

and taht's all... for now.

People who don't know the difference between good and well,

And when my recycle bin isn't empty.

Ppl who don't know how to eat with their mouth closed.. Smacking.

holy crab, english is not my first language and ive never heard about pet peeve.
my first idea was it has to do something with peeing pets 0.o

When someone says irregardless.

Those fake mouse click and keyboard sounds on ads. They make me go insane X_X

I have several, but, to keep it simple, I hate almost all human kind. I know we can't be perfect, but since we are such a great species, why shouldn't we try to be almost perfect? Most people I know should just start with "one man's liberty ends where another man's liberty begins". That would be a fucking HUGE start...

People confusing my pet Peeves with pet peeves

Websites that have black backgrounds so when my mom sees it she thinks I'm "playing video games" again.

A lack of top hats.