Not to be confused with the National Lampoon film of the same name.
This film contains examples of:
- As Themselves: The Boxer Rebellion.
- Big Applesauce: The film starts in New York.
- Big Sister Instinct: Corrine towards Erin.Corrine: [to Garrett] Don't break [Erin's] heart, okay? Or I'll cut your balls off. I'm not fucking kidding.
- Brick Joke: "Maya, statue!"
- Children Are Innocent: Maya, who asks if her mother is okay when she hears screaming (due to her aunt and her boyfriend walking on her parents dry-humping). Of course, everyone tries to save her innocence by refraining her to see that view.
- Crosses the Line Twice: As if Dan's Charlie Chaplin/Hitler mustache wasn't bad enough, he had to be seen by a bunch of jews.
- The Cutie: Maya, Erin's niece.
- Deadpan Snarker: Box, courtesy of being portrayed by Jason Sudeikis.
- I Want My Beloved to Be Happy: When Erin is torn between her dream job and moving to New York to be with Garret, Garrett breaks up with her so she can pursue her career without any regrets.
- Implausible Deniability: When Erin and Garrett walk in on Corrine and Phil dry humping:Garrett: Were you guys... are you dry humping?Phil: [who's clearly on top of Corrine with his clothes on] ... no.
- Interrupted Intimacy: Many, many times. From Dan DJ'ing Erin and Garrett's first hook-up, to her sister walking in on them having sex on her dinner table... and her husband eating a midnight snack, to them walking in on Erin's sister and brother-in-law dry-humping.
- Left the Background Music On: Played for laughs when Dan DJ's their hook-up.
- Long-Distance Relationship: The basis of the plot.
- Maybe Ever After: The movie ends with Erin and Garrett giving a second chance to their relationship.
- Neat Freak: Poor Corrine, who cleans her kitchen table about a hundred times after seeing her sister and Garrett have sex on it. No matter how many times she cleans it, she'll always see it as filthy.
- Shipper on Deck: Dan, who even DJs Erin and Garrett's first hook-up.
- Those Two Guys: Garrett's friends Dan and Box.
- Your Cheating Heart: Averted, it was Dan, not Garrett, who hooked up with the hot girl from Garrett's office.