There is a scene where KJ asks about Jonah Hill, and Aria says Jonah's last words were, but "I'm a friend of Brad Pitt."
Angelica asks "Are you there, Crumble? It's me, Angelica" while she's in the bathroom. This is a play on the Judy Blume book title, "Are you there, God? It's me, Margaret" which is also a coming of age tale.
If you input "5318008" into a calculator that uses an LED display and turn it around, it spells "BOOBIES". Old joke, but....