Definition of toodle loo. What is the meaning of toodle loo? Learn this English idiom along with other words and phrases at Writing Explained. Categories: English clippings English terms suffixed with -s (hypocoristic) English 2-syllable words English terms with IPA pronunciation English terms with audio ... Definition of Toodle in the Idioms Dictionary. Toodle phrase. What does Toodle expression mean ? Definitions by the largest Idiom Dictionary. Toodles definition by Slang.net - The Slang Dictionary This page explains what the slang term " Toodles " means. The definition , example, and related terms listed above have been manually compiled and written by the Slang.net team. We are continually updating our database with new slang terms, acronyms, and abbreviations. Want to suggest a new term or an update to this page? Let us know!