n. The ash tray for your weed. It gets it's name from the idea that when the weed has been exhausted, or cashed, one needs a logical place to dispose of the remains.
This bowl is finished, I'm going to dump everything out into the Cash Tray.
by Robyk10b January 22, 2007
A car ashtray that has been repurposed as a coinholder.
Here comes another toll - open the cashtray!
by JRob July 01, 2005