Spoiled, bad behavior has few consequences for most of the movie.
Mention of the main character's mother who had died.
The ease with which girls make out with guys is startling. Poppy's friend is in bed with her boyfriend, of which the viewer sees bare shoulders, implying that they are naked. Girls tromp about in next to nothing. References to sexual positions.
"S--t" is the first and second word in the movie. From there it doesn't get much better: "bi-yach," "suck," "asshole," "Christ," "bloody", "asses," "slutty," "whorey," "s--t brain," "prostitute," "bitches," "friggin." Most of these words are frequent insults lobbed among girls.
In Malibu it's all about the clothes and the swag. Mentioned specifically: Jimmy Choo, Gucci, iPhone, People magazine, US Weekly, Target, Manohlo Blanik, etc...
Underage buying of alcohol and consuming in excess. Girls are so drunk they tell of being passed out in one another's vomit. One girl vomits during the lacrosse game the next day.