Moscas literally means "flies". It's a simple, everyday word, but in this song, Shakira uses it to create a powerful and haunting central metaphor.
The line "Moscas en la casa" (Flies in the house) paints a vivid picture of decay, neglect, and the deep depression that fills a home after a loved one leaves. It's a raw and unforgettable image that turns a common word into a symbol of profound loneliness and heartbreak.
This song from Colombian superstar Shakira is a classic breakup anthem, but it skips the anger and goes straight for the feeling of total emptiness when someone leaves. She describes her days without this person as absurd, gray, and a complete waste of time. The hours just blur together, and even when night comes, she says, "Es inútil dormir" (It's useless to sleep).
What makes this song so good are the specific, almost unglamorous details she uses. Her world isn't just sad; it's messy and decaying. She sings about "Chatarra inservible / Basura en el suelo / Moscas en la casa" (Useless junk / Garbage on the floor / Flies in the house). It's such a real and miserable image of what it feels like when you're too heartbroken to even clean up. She's just waiting, "pateando las piedras" (kicking stones), hoping this person will come back and make her feel alive again.