interjection
- goodbye; goodbye and good luck.
- (used as a toast to one’s drinking companions.)
noun, plural cheer·i·os.
- a goodbye or farewell.
- a toast of “cheerio!”
sentence substitute informal, mainly British
- a farewell greeting
- a drinking toast
noun
- NZ a type of small sausage
upbeat parting exclamation, British, 1910, from cheer.