-Take a deep breath
-Hold it
-Swallow the air in your mouth
-Close your eyes and imagine Abraham Lincoln's face on a $5 bill until you have to let your breathe go.
I had an Algebra teacher tell me that in high school. It always works for me, and doesn't need any props (such as peanut butter). Hope it helps.
Here's also another thread on remedies...
http://gofuckyourself.com/showthread...hlight=hiccups