What is Back Dollar?
1.
The largest bill you have.
This originated from the system of placing your one dollar bills in the front of your wallet and moving back to the largest in the back. For example: you have two one dollar bills, a five, and a hundred... you would put them in in that order.
He's so broke that his back dollar is a one.
See
Random Words:
1.
(N.) Something really cool and kooky!
Sabrina, The Teenage Witch is SO Not rings around neptune...