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A 'badvocate' is a person who always proposes or supports doing bad things.
Good Guy: Hey gang, after we finish helping out these fine senior citizens, let's all go down to the malt shop and have some ice cream. My treat!

Badvocate: Orrrrrrr....we could light a box of kittens on fire!

Good Guy: You're pretty creepy always playing the 'badvocate'.
by Bryan Gilbreath May 16, 2011
someone who is ridiculously good at arguing their points and interests, but unfortunately you agree with none of it.
damn sarah palin and her badvocate ways!
by cpal March 26, 2009