Fluoxetine increases serotonin levels within the central nervous system by allowing it to accumulate and effect the part of the brain that is responsible for social interactions, general awareness, coping mechanism and adaptability.
Rock Lobster by The B-52's. Many B-52's songs have fun, whimsical lyrics, and this is one of them. It's about a beach party where someone encounters a rock lobster (which is also known as a crayfish, but that wouldn't sound as good), and hijinx ensue.
Pink Floyd's movie The Wall has also added to the perception that the song is about drug use or a mental breakdown. In the movie, Bob Geldof's character, a fictional rock star named Pink, is in an unproductive incoherent state due to his drug use and feeble mental health.