What is "pirlo"

Pirlo is a typical Italian apéritif containing white wine (usually Franciacorta), Campari (or Aperol) and seltzer; It is drunk before dinner with appetizers at happy hour. Pirlo was first introduced in Brescia, Italy and its name (meaning "fall" in dialect of Brescia) comes from the circular movement that Campari (or Aperol) makes when falling into white wine.