My biggest pet peeve?
loose vs. lose.
For all who are not aware that these are, in fact, two different words:
loose - adj. The opposite of tight.
"The bolt to his muffler was loose and when he hit a bump it fell off."
lose - verb. To misplace something. To not win a contest.
"If I'm not careful, I'm going to lose my keys."
"The Cubs are going to lose because they are cursed."
-- B