A term originally derived from a conversation between a Russian and a Costa Rican describing a petite blond Hebrew girl of Gaelic Russian descent who has a phantasmagorical fascination with all things pyrotechnic. You could be called Crazy like a Fire Fox if you collect matches, collect lighters, have cute small hands adapted for playing with fire, and have a height, ideal speed, and agility perfect for fleeing fires. If you are cute, female, blond, petite, fast, agile, and are fascinated and love fire then you to could be defined as "Crazy like a Fire Fox."
Person number one "That little girl is flicking her lighter. Look! She has a collection of lighters!"
Person number two "That's not a little girl, she's just petite."
Person number one "She has the littlest hands. She shouldn't play with those lighters, she'll get hurt."
Person number two " She won't get hurt. Besides, look, her hands are super quick, and she's super fast and agile.
Person number one "She's crazy!"
Person number two " She's crazy alright, she's Crazy like a Fire Fox."