Answer: CHEERIO

AnswerCrossword Clue
CHEERIO'Ta-ta!'
CHEERIOPiccadilly farewell.
CHEERIOLondon greeting.
CHEERIOSo-long in Soho
CHEERIORelative of hello
CHEERIO"Ta-ta"
CHEERIO"Toodle-oo"
CHEERIOEnglish toast
CHEERIOBrit's goodbye
CHEERIOPiccadilly greeting.
CHEERIOBritish farewell
CHEERIOSheffield farewell
cheeriogoodbye, also CHEERO
cheeriousually used as a farewell and sometimes as a greeting or toast
cheeriogood-bye; good-bye and good luck
cheeriogood-bye or farewell
cheerio(used as a toast to one's drinking companions)
CHEERIOLondon farewell!
CHEERIOSalutation in London.
CHEERIOLondoner's greeting.
CHEERIOSo long!
CHEERIODefunct radio program.
CHEERIO"Toodle-oo!"
CHEERIOBrit's bye-bye
CHEERIOBrit's "Bye!"
CHEERIOBritish toast
CHEERIOLondoner's "Bye!"
CHEERIO"Ta-ta!"
CHEERIOLeeds leave-taking
CHEERIOSoho "So long!"
CHEERIO"Ta ta!"
CHEERIOSouthampton so long
CHEERIOToodle-oo