* BestKnownForTheFanservice: The film is remembered more for the publicity shot of Marilyn Monroe having her skirt lifted by a subway vent than any actual scene.
* CrossesTheLineTwice: Helen (in a fantasy) shooting Richard to death [[ThereIsNoKillLikeOverkill several times in the back and twice in the stomach]]. With his dying breath, Richard begs for a cigarette - which leads to....
-->"A cigarette? You know what Dr. Murphy told you about smoking!"
* JustHereForGodzilla: Admit it guys... and [[EvenTheGirlsWantHer some girls]]. There's only ''one'' scene you care about in this film.
* MemeticMutation: Has ''anyone'' in the culture not spoofed the skirt-blowing subway grate at some point?
* SeinfeldIsUnfunny: The many elements of lascivious and edgy humor tend to get overlooked by many modern viewers, who [[TheMoralSubstitute enjoy the film for being "innocent."]]
* SignatureScene: The skirt-blowing scene, of course.
* ValuesDissonance: The Girl mentions that she posed for an "artistic" picture (called ''Textures'') in an issue of the photo anthology ''U.S. Camera''. Richard has a copy of this issue on his bookshelf, so he pulls it out and he and The Girl peruse it. We are [[TakeOurWordForIt not permitted to see the photograph]] in question at first, and the context of the film (especially Richard's mentioning that there must have been a large, gawking crowd) implies that the photo probably shows The Girl nude. But then Richard shows off the photo again - this time to one of his clients at work - and Billy Wilder finally permits the audience to see it as well. It shows The Girl wearing a ''bikini''. (In the mid-1950s, the bikini, [[EveryoneLooksSexierIfFrench which was a French invention]], was banned in some parts of the United States, particularly in the Northeast.)
* WatchItForTheMeme: Subverted, if you can believe it. A lot of people probably watch this movie to see the famous scene of Marilyn Monroe standing over the subway grate, but here's the thing... it's not in the film. A *version* of it can be seen, but it was re-shot on a soundstage (as opposed to on location, which is where the famous photographs come from) and edited so that her skirt is never seen above her waist.