Answer: toodleoo

AnswerCrossword Clue
TOODLEOO

"Ta-ta!"

TOODLEOO

"Bye-bye!"

TOODLEOO

Parting word

TOODLEOO
"Bye!"
TOODLEOO
"So long!"
TOODLEOO"Ta-ta"
TOODLEOOSo long.
TOODLEOOCasual farewell.
TOODLEOOSo long: Br.
TOODLEOOBye-bye.
TOODLEOOSo long!
TOODLEOOTa-ta
TOODLEOO"Later!"
TOODLEOO"Ciao!"
TOODLEOO'So long!'
TOODLEOO"See ya later!"
TOODLEOO"Later"