Definition: Okay, here's a short, funny rhyme incorporating "pixie" and following your guidelines:
(Definition: (fantasy literature, fairy tales) A playful sprite or elflike or fairy-like creature.)
My toaster’s gone rogue, a burnt bread spree,
A tiny pixie stole its circuitry!
It's frosting bagels with a sugary glee,
And demanding more jam – quite frankly, he’s cheeky!
And demanding more jam – quite frankly, he’s cheeky!