ritz

to make things extra special or dress formally for a special event. Frank's really putting on the dog for the big party Friday night. They really put on the ritz for us.

to try to seem richer or more important than you really are They really put on the dog in front of their guests.

Also, put on the ritz. Behave in an elegant, extravagant manner, as in We'll have to put on the dog when our daughter's in-laws visit, or They really put on the ritz for the wedding reception. The allusion in the first of these slangy terms, first recorded in 1865, is unclear, although it has been suggested that the newly rich displayed their wealth by keeping pampered lapdogs. The second term, from the 1920s, alludes to the large, luxurious hotels founded by and named for César Ritz (1850-1918), which still exist in Paris, London, and many other major cities.

To make an ostentatious display of elegance, wealth, or culture.

Acting in a pretentiously stylish and affluent manner. César Ritz, founder of the Hotel Ritz in Paris and Ritz Hotel in London, lent his name to these and other highly fashionable institutions. To behave as if you belonged in such opulent settings and demand that you be treated as if you did would lead to being accused of “putting on the Ritz” or simply being “ritzy.” The phrase is best known as the title of a 1929 Irving Berlin song that has been performed by, among other, Fred Astaire, Judy Garland, and Peter Boyle (as the monster in Mel Brooks' movie Young Frankenstein). A similar expression is “putting on the dog,” coming perhaps from high collars and jeweled chokers known as “dogs.”