Although taken from
the term "Kung Fu," it does not mean a form of kink relating to Kung Fu but instead is the act of using one's kinks against them to make them squirm, blush or fluster.
Usually one is left in a mess of feels and
sometimes could half-heartedly curse their tormenter for successfully being a master of Kink-fu.
Person One: I think you beat them at Kink-fu.
Person Two: Kink-fu?
Person One: They're a blushing and
flustered squirming mess. Yeah, Kink-fu, you used their kinks against them to get them all
flustered.
Person Two: So
that's what they were cursing me about.