Dastardly a. : Meanly timid; cowardly; base; as, a dastardly outrage.

Example:
When Bush abdicated the presidency to Dastardly Dick Cheney, did that also absolve him of all responsibility?

Taxonomy
Dick Dastardly, Wacky Races, Dread, Dastardly and Muttley, Muttley, appearances, laugh, drat, Dastardly and Muttley in Their Flying Machines, Mean Machine, Yogi Bear, character, the Red Baron, Mumbly, villain, plane, free encyclopedia, sidekick.

Defination from the web:
Dastardly is a fictional character and antagonist who appeared in various animated series by Hanna-Barbera Productions. ... In Wacky Races, Dastardly was one of the pilots who competed in each episode for first place in a long and hazard-filled cross-country road rally. ...