Composite image of Sonic key lime pie shake between two key lime pies on a green background - Static Media / Shutterstock Whether you love or hate Sonic, you have to give credit where credit is due.

Sonic regulars know that what appears on the menu can serve as inspiration for unique food and drink orders that aren't listed in print. Among the roster of secret menu items we can't believe exist ...

Whether you love or hate Sonic, you have to give credit where credit is due. And when it comes to Sonic's drink and shake menu, the drive-in fast food chain's creativity is off the charts. What's so ...

Add Yahoo as a preferred source to see more of our stories on Google. Sonic Styrofoam cup - Wild As Light/Shutterstock Sonic lovers who find themselves craving a slice of classic Key lime pie can ...