When you have a specific amount of coins in your pocket for something, yet you can't shake the feeling that you've somehow miscounted and compulsively count and re-count your change.
I only needed about 1.50 for the bus, but as the bus aproached my Changeheimer's started to act up and I freaked out a little and droppednickels all over the place.
Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.