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3.
to describe something that is quite related to a dastard.
Mr Sender is a dastardly dastard-bastard... guy.
by Bastardized Bottomburp April 01, 2003
 
1.
Strangely, "bastardly" is not a word, but the same meaning is served by the term "dastardly." Once a serious insult, dastardly is now almost always used sarcastically. If used seriously, the speaker is most likely a nancy boy and/or fop. It is generally used in the phrase "dastardly deed(s)."
Fundie: You are the spawn of Satan! Repent and be saved!
Goth: Yep, you know me and my dastardly deeds (laughs).
by jazzriff October 12, 2005
 
2.
The main character from classics Hanna Barbera cartoons Dastardly & Mutley in Their Flying Machines and Wacky Racers.

In Dastardly & Mutley in Their Flying Machine, Dastardly tries to catch a pigeon with your squad.

In Wacky Racers, Dastardly is a racer of 00 car and always tries to retire your opponents of race for win.

Also in some regions, refers to Michael Schumacher because your controversial moves in some races in F-1.
Dastardly:Stop the pigeon!
by New_urban September 01, 2010