/ Dictionary / Index T toodle-oo: Meaning and Definition of Find definitions for: too•dle-oo Pronunciation: (td"l-'), [key] — interj. Informal. good-bye; so long. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. too Tooele Related Content Daily Word Quiz: agitated Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language