The notion originated with Daisy’s suggestion that we hire five bath-rooms and take cold baths
Daisy made the first suggestion, and Nick remembers it because of how ridiculous it was. She wants everyone to get their own room to cool off, even though they will only be staying for a short time. This tells a lot about Daisy and her love for material wealth, since she wants to do anything that she can afford.
To help improve the meaning of these lyrics, visit "The Great Gatsby (Chapter VII)" by F. Scott Fitzgerald and leave a comment on the lyrics box