- fine; OK.
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. 2018
- British old-fashioned, informal as it should be; correct; satisfactory
Word Origin for tickety-boo
C20: of obscure origin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012