If you don't know, Pineapple are often associated with the swinger lifestyle.
In a now Viral TikTok, a woman named Linda says that people were "a little too nice" during a cruise she and her husband went on because of their matching swimsuits... with pineapples all over them.
A lot of people in the comments didn't know about what pineapple potentially stood for either.
The video has been viewed 3.1 million times. Linda calrified, in a later Tiktok saying the video was simply a joke and she and her husband were not "mortified" as many have suggested.