Naufragué is the past tense of the verb naufragar, meaning "to be shipwrecked" or "to suffer a shipwreck." It's a dramatic and evocative word that isn't commonly found in everyday conversation or every song.
In "Entre Tus Jardines," the singer uses naufragué metaphorically to express being completely lost and overwhelmed while trying to follow someone who is out of reach. It paints a vivid picture of emotional devastation and being adrift, making it a powerful and memorable choice.