Cosplayer Ashley Ruhl calls this her "Badonkagonk" costume. She wore it to the recent Dragon Con in Atlanta. It's inspired by the GNK power droid, commonly known as the Gonk in its occasional appearances in the Star Wars franchise.
What does a Gonk do? Well, this Gonk spits out a ribbon that says, "GONK" from its printer slot. Within Star Wars, though, it's basically a battery that walks around on short, stubby legs. Ms. Ruhl's fishnet-covered legs are quite different and give the hapless Gonk a more aesthetically appealing appearance.