Otherwise known as the taint or the chode, assticles typically occur in men of advanced age. After gravity has taken its toll on the scrotum, the advanced stretching begins to affect the anus. Eventually they become one.
Harold was in the bathroom the other day battling with some troubling constipation. To his surprise his scrotum lapped delicately at the water. He called to his wife. "Gertrude!"
"What is it Harold" she replied.
"Get in here and tell me why my balls are in the water" he gasped.
"OMG Harold!" she exclaimed. "You have assticles you filthy old fucker!"
(n) Feats of non-intuitive acumen; the use of non-obvious approaches to problems that are figuratively pulled from the ass of the person who conceives them.
His clever use of the Separating Hyperplane Theorem to derive the boundary of a convex set was quite a piece of asstrickery. We never would have thought to use that ourselves.
A person who unrightfully TRIES to take the place of another, but is much too quiet and ridiculous , and thus cannot do it. This person is very annoying because they always seem to be around, but no one ever knows anything about them, because they are too quiet.