someone who frequently chooses a
devil's advocate stance without regard for the current situation,
someone who offers unhelpful information in a confident manner, someone who lacks social finess
Joe Regular-"This mechanic gave me great deal on my
truck! It was only $600"
Narny Shmarny-"Hmm mechanics are
shady. You probably could have done it yourself for half that."
or
Joe Regular-"
People who donate their time and money are good for the community."
Narny Shmarny-"They probably only donate their time to get away from their family and their money is unethically allocated by corrupt board members."