Flavorwocky is a clever app idea that uses coding to connect related flavors in everyday life, developed by Luanne Misquitta as part of the Neo4j Heroku Challenge. The idea came from her desire to help people find ingredients whose flavors complement each other, and she realized a graph was a good fit for this domain using Neo4j. She implemented the app using Grails 2.0, with REST calls to Neo4j, and added visualization capabilities using d3.js, resulting in an interactive tool that captures flavor pairings and allows users to search by ingredient and view complementary combinations. Luanne's recipe for success involved a simple yet clever idea, effective use of graph theory, and a user-friendly implementation, making her winning entry in the challenge.