look up any word, like cleveland steamer:
 
2.
A really cool guy
The Postal Dude went to get some milk, then he killed a bunch of people.
by Hardass April 01, 2003
 
1.
A man who does not want to take it anymore, the everyday bullshit of life got to him. Now, you're all gonna pay!
The Postal Dude got pissed off, and slaughtered Paradise City. He said, "You probably thought you weren't gonna die today... Surprise!"
by GROMM July 23, 2004