It would be hats for me.

I have a white baseball hat fetish and can never seem to get enough of them.
Also most of the people I hang out with are lighter thiefs,

so lighters would have to be 2nd on my list.
Not to mention like docholly the damn scissors.
^ That's the one that really pisses me off ^
WHERE THE HELL ARE THE GOD DAMN SCISSORS !!!
Rings through out my house on a regular basis...