proverb/ˌkjem ˌba a seˌbiʝa ˌpjeɾde su ˈsiʝa/
move your feet, lose your seat (if you stand up from your seat, someone else will take it.)
Literally, “who goes to Seville loses their seat”, the name of the city being chosen so as to have a rhyme. Compare Italian chi va a Roma perde la poltrona.