What does Pot, meet Kettle mean?

[Hav0k99]

I tried googling and I got no results on what it means

 

[arcenite]

In a nutshell, you say that to someone who is being a Hypocrite

 

[xospec1alk]

you've never heard the phrase, pot calling the kettle black?

 

[loup garou]

http://www.goenglish.com/ThePotCallingTheKettleBlack.asp

 

[PingSpike]

The pot and kettle are both black. If the pot calls the kettle black, he is therefore a hypocrite. Its an old saying.