Plebs definition is – the general populace. Recent Examples on the Web. Unfortunately, the presidency has supplanted the House in its role as witless and slavering tribune of the plebs. — Kevin D. Williamson, National Review, “L’Esprit de l’Escalier, the ‘Times,’ Etc.,” 27 Aug. 2019 Political and economic elites fear nothing more than the plebs of the world uniting to challenge their …