A premium sex move performed by a hooker, most commonly favored by the wealthy. If you don't know what it is, you can't afford it.
Guy: What's a Backwards Jelly Donut?
Hooker:Sweetie, if you don't know what it is, you can't afford it.
The Urban Dictionary Mug
One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.
Buy the mug