This word can be used an adjective, to describe a huge lie.
A lie, or also known as a 'porkus', that is huge.
-Did you hear that my mum ate a live horse the other day?
-That is such a horkus
-Don't tell me such horkus.
When someone is not worth your time. A person is a waster when they are scum
and disgust you, or when they go against the norms set by society or the morals set by most people.
-Hey Amy, i'll give you a lift to the shop
-No Alex, you are scum, you're a waster. Go away.