According to the news, Romney has "zingers" prepared for tonight. Zingers are quick, witty, or pointed remarks/retorts.
I can just see it now...
Moderator: "Mitt, what are your plans to fix the economy?"
Romney: "Hey Obama, you so poor, when you walk down the road with one shoe and someone asks you if you lost a shoe, you say no, I found one"
ZING!
Debate over.
Romney insta-president.