O'Kennedying

Noun and occassional Verb: Oh-Kenn-Edd-Ee.
Being the biggest dick on the face of the planet. To be an O'Kennedy you must be pure evil. You must manipulate, lie, steal and scheme to get whatever you want. This is mostly applied to men who manipulate women and hurt them with little to know remorse. Also see Sadist and Sociopath.