What is the meaning of Lampshade?

A cover over a lamp to either diffuse the light or to block it in certain directions to avoid glare in the eyes.

To intentionally call attention to the improbable, incongruent, or clichéd nature of an element or situation featured in a work of fiction within the work itself.

To wear an oversize top with skintight thigh-high boots and no leggings.

To adorn with one or more lampshades.

To design or create lampshades.

Source: wiktionary.org