If something is waste it is poor/bad. Somehing you didn't enjoy.

A stupid person; it refers to the lack of surface area on an individual's brain. The general thought is that the more surface area (wrinkles, creases, etc.) a brain has, the smarter the person is. Conversely, a person with a smooth brain (no wrinkles) has less surface area and would therefore be stupid.

A person who has done nothing with thier life and never will...

(noun) A person or thing that is not worth the amount of resourcers necessary to keep it alive.(air, oxygen, water, amino acids, life ect.)

Something that comes out the bum or has done nothing for humanity.

Sometimes can be combined, check examples.

To kill a person, usually by shooting usually via a drive-by. This is almost always done by Gangsters or Thugs or possibly a lone Gangster or Thug they are almost always in a Gang. In short, they are all just fags

a terrible thing to mind