What does «paparrucha» mean in Spanish?

Fake news, lie.

Examples of use in Spanish: "contar paparruchas".
Worthless work.

Examples of use in Spanish: "este libro es una paparrucha".
Very watery mud that, when stepped on, splashes and stains.

♦ Used in: Spain

Examples of use in Spanish: "¿Qué tal se comporta este vehículo automático en situaciones de suelo con nieve, hielo, paparrucha, barro?".