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)."

A stupid person; it refers to the lack of surface area on an individual's brain. The general thought is that the more surface area (wrinkles, creases, etc.) a brain has, the smarter the person is. Conversely, a person with a smooth brain (no wrinkles) has less surface area and would therefore be stupid.

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.

to describe something that is quite related to a dastard.