1. The movie is all about hooking up and having sex.
While the title might seem like this movie centres on an innocent peck here or there, that's certainly not the case once the film starts rolling. Elle reveals pretty early on that she is hell-bent on having her first kiss sooner rather than later, and as you can imagine, a kissing booth seems like a pretty good place to have that happen.
The sexual references only get more intense as the movie goes on. After Noah and Elle go on a few dates, viewers see Elle buying a box of condoms. (Why is that specifically her job again?) Flash forward a few scenes, and Lee catches them smooching one afternoon only to be told that, yes, Lee and Noah have indeed had sex — though it's not shown on camera.
2. There's no shortage of curse words.
A few minutes in, we hear a few midgrade insults to the tune of "asshat" and "jackass," but as soon as Lee gets wind that Elle and his older brother are getting it on, sh*t hits the fan in the curse word department — there's one use of "f*ck" as well. He calls Elle a slut to her face and goes full-on nasty at a point, so parents, take heed.