‘I told that boy about the ice.’ Myrtle raised her eyebrows in despair at the shiftlessness of the lower orders. ‘These people! You have to keep after them all the time.’ She looked at me and laughed pointlessly.

F. Scott Fitzgerald

The Great Gatsby, Chapter 2. Myrtle Wilson pretends to be of the upper class in order to fit in. But it only makes her sound more like herself, a common, cheating woman.