Bart's Friend Falls in Love

An English-language schoolyard prank term used untranslated in this Latin American dub, signalling its use as a children's prank name with no standard Spanish equivalent.

Literally means 'louse' (the insect), but calling someone a piojo in casual speech implies they are cheap, small-minded, or insignificant. Context determines which reading applies.

Stronger than just 'talkative person'. In Latin American usage it specifically targets someone selling false promises or fake remedies, often applied to pseudoscientific products.