The song "SOS" by Karun is about the feeling of desperation and longing for a loved one. The singer expresses their deep attachment to their partner and how their absence feels like torture. They describe how being away from their loved one makes time drag on and heightens their sense of need. The lyrics convey a sense of vulnerability and dependency, with the singer admitting that they feel helpless without their partner. The chorus repeats the plea for the partner to stay with them and highlights how their presence makes the singer feel stronger and happier. The bridge explores the small moments and gestures that the singer misses about their partner, emphasizing the depth of their connection. The song conveys the message that the loved one is irreplaceable and essential to the singer's happiness.