Ditzy people who leave a trail of debris in their wake and figure that it's everybody else's responsibility to clean up after them.
people with cellphones
chauvanist males... can't stand sexism against women... if we had more equality in this world then it would be fair game, but it's not and we are still being abused and hated out of our existence by those who refuse to see we are not being treated fairly.
Morning rush hour traffic.
small talk, and morons who can't read body language :)
My pet is hate is when there is no free watermellon in the cooler.
Having someone waste my time in unforgivable, and they don't get a second chance.