Really really, we don’t know what “dilly dilly” is, but no one else does either! Our “dilly dilly” is our Clay Coyote Flameware Grill Basket, but it could have been anything.
Here are two articles about the phrase with more detail (Chicago Tribune & USA Today’s For The Win). Will it make Webester next year? Maybe, this year they added froyo, sriracha, Internet of Things, and schneid.