Someone who talks a lot when stoned, in the manner of one who has kissed the Blarney Stone (giving them the gift of the gab)
that skunk turned me into a right blarneystoner, I talked bollocks all night!
by Captain Hotknives October 08, 2005
A person of Irish descent who frequently smokes marijuana.
"Dude, that Irish exchange student Riley McFinnigan O'Connor smokes more weed than anyone else at this school. He's such a Blarney Stoner."
by amazingASK April 06, 2009