dimestore pony Share definition Flag A prostitute who will hang outside a dollar store and lets you ride him or her for a dime bag. "Hey, look at that chick out there, you know what she wants." " Ya, what a dimestore pony." dimestore pony by Moneyshotman February 5, 2010 0 0 Get merch Get the dimestore pony mug. Buy Now — $32.95 See more merch