Funk-nas-ty, adjective. Being incredibly gross or disgusting. Usually associated with perverted behavior and grotesque acts performed by unintelligent people in their teens to mid-20's.
"That band was funknasty, I will never go see them again."
or
"He stuck how many fingers up her ass? Five? Now thats funknasty"
or
"He stuck how many fingers up her ass? Five? Now thats funknasty"
by anonymous2134 January 19, 2013