When an individual is asked to unzip his pants and bare just his balls to be tortured. It could be in a playful way, but then again... When is ball torture playful.
by TarzanBoy January 12, 2018
Given a metric space X with a point x in X, an open ball of radius r (a nonnegative real number) is the set of all points y in X such that d(x, y) < r
by Nah-Id-Win November 13, 2023