adjective Chiefly British Informal.
Origin of tickety-boo
First recorded in 1935–40; perhaps expressive alteration of the phrase that's the ticket
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British old-fashioned, informal as it should be; correct; satisfactory
Word Origin for tickety-boo
C20: of obscure origin
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