Someone who doesn't do anything with their life besides making everyone else's a living hell. Lays in bed all day and does nothing. Treats there significant other like trash. Cares about no one but there self.

Any peroson who is not worth the same amount as a piece of shit.

people who lack value in their presence in any way; waste of air; people who should question why their existence does not add to society

Most likely one under the following categories:

Your computer
Your life
Your house
Your television
Your phone
Your job
Any mechanical object in your household
A unspecified brown object left by one of your pets.

A 1993 Honda Civic.

The piece of "technology" on which I am currently typing. Referred to in the business world as the "hp pavilion mx75"

Conservative party member and Canadian Environment Minister Peter Kent. Like most members of the Canadian conservative party, Peter Kent is shamelessly partisan in all he does and says. He slavishly follows party talking points and directives, and is willing to destroy his country's reputation and democratic principles in order to increase the power of his party.

So really, while Peter Kent certainly is a piece of shit, he isn't really any bigger of a piece of shit than Stephen Harper or anybody else in the conservative cabinet.