noun, masculine/menˈdɾuɡo/plural: mendrugos
crust (of bread, particularly the heel of a loaf of bread); stupid or rude person; stale bread
“Near-synonyms: tonto, zoquete, zopenco, ceporro, tarugo”
Possibly from Vulgar Latin *mandūcum, from Latin mandūcāre. Influenced by mendigo (“beggar”).