(noun) a cover that softens or directs the light of a lamp

Sometimes used derogatorily

The thing your dad put on his head at his high school parties.

To be given a gift you already own and are then asked to return it yourself.

When a guy or girl tries to pick up a drunk person at a bar before the lights come up and reveal their true outward beauty.

A sexual interaction where one person (ideally a male) is wearing a kilt or skirt, standing with their legs at least shoulder width apart whilst their partner (male or female) is knelt between their legs with their head inside the kilt, stroking the penis of the aforementioned male partner, alternatively fingering the vagina of a female partner, as if they were attempting to pull the draw chain of a light to turn it on. The goal, of course, is to arouse (turn on) the partner.

A mentally retarded female who attends a party.