Before I get on with word of the day I have a story to tell. The other I was in the supermarket to get random things and while looking at the aisle signs I noticed one of the words: 'Haberdashery'. I smirked to myself and thought "I know what that means!" like the little boy I am.
When used as a noun, it is a person or thing that is worthless or of no consequence.
When used as an adjective it means worthless or insignificant.
Darth Vader is awesome; Anakin Skywalker is a pissant.