D.Vader Share definition Flag A name for someone that likes to bitch a lot. Usually has a Negative energy and sensitive feelings. David: Man Dude You're hella fucked up!!!Chris: STFU Quit being such a D.Vader. You crybaby! D.Vader by GigginOnDaSwaggaSkeeWahWah August 4, 2009 Get the D.Vader mug.