To dress up. 'To titivate oneself,' is to make one's toilet. Provincial in various parts of England.
Well, I'll arrive in time for dinner; I'll titivate myself up, and down to drawin'-room.--Sam Slick in England, ch. 23.
·add. ·vt & ·vi ·Alt. of <<Tittivate>>. ...
Webster's Dictionary of the English Language
or titivate off to the nines. To freshen the paint-work; to put into the highest kelter. ...
The Sailor's Word-Book