Crossword Genius

A repeated expression of thanks upon leaving (2-2)

Ross

I believe the answer is:

ta-ta

I'm a little stuck... Click here to teach me more about this clue!

But I can't explain it at all! Could you help me understand?

(Other definitions for ta-ta that I've seen before include "Bye-bye" , "Cheerio" , "Adieu" , "A Farewell" , "Bye!" .)

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.