lampshade

Short definition from Wiktionary

Noun

1. 1
   A cover over a lamp to either diffuse the light or to block it in certain directions to avoid glare in the eyes.

Verb

1. 1
   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.
2. 2
   To wear an oversize top with skintight thigh-high boots and no leggings.
3. 3
   To adorn with one or more lampshades.
4. 4
   To design or create lampshades.