look up any word, like muddin:
 
1.
1. A thoroughly unprincipled person; a scoundrel.
2. A foul-mouthed person.
3. The criminals and vagrants or vagabonds of a town or community, collectively.
4. A person of stained or low character, esp. one who uses scurrilous language, or treats others with foul abuse; a scoundrel; a rogue.
5. A vagrant; a bootblack; a gamin.
6. A guy who runs EQII.com
A man whose manners and sentiments are decidedly below those of his class deserves to be called a blackguard.
by Blackguard January 29, 2004
 
2.
A blackguard is a knight that serve opposite of a paladin. Blackguards go about with corrupting, sneaking, committing treachery, and straightforward smiting of good. They are often called Antipaladins because of their wholly evil nature. They often wear black armors with lots of nice bloodstains.
Steve was the blackguard of the group, he loved nothing more than to rip the heads off of those lousy dogooders.
by Ludwig Von Gangsta May 25, 2008
 
3.
a guard employed by Blackwater USA and stationed in Iraq. They tend to shoot anything that moves.
"...the Blackguards and their spokesman CLAIMED to have been under attack, possibly from Iraqi police." - Justin Raimondo, antiwar.com
by Dr. Heywood R. Floyd October 05, 2007
 
4.
A very old term used in the southern United States to replace an offensive word.
Dave - "Oh Fudge"!!!
Jim - "Stop blackguarding the word and just say shit".
by satchtola November 30, 2011
 
5.
1. A person employed by a company to spue forth propaganda.
2. A rather fowl smelling sexualy frustated person who lurks around online forums.
A fellow employee of mine has the title of blackguard.
by Mooregard December 18, 2004