A person that is unbelievably dense, stubborn and slow in their stupidity, and the best part is, they don't even know that they are. Usually pertaining to stupidity online.
This guy is such a wabberdabber, he's getting owned in that thread.
She wouldn't stop arguing even though her points were crap. What a wabberdabber.
She wouldn't stop arguing even though her points were crap. What a wabberdabber.
by Rondeezy_ED3 August 28, 2017
Get the wabberdabbermug.