(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.
Possibly a mis-spelling of Asterix, however it is also the stage name of Avi Shmailov - an Israeli Psytrance artist who reached #18 on the DJ mag "Top 100 DJs" in 2007. He is one of the top Israeli trance artists out there, and his badass music gets any dance floor crowded within seconds.
an arrogant person whose pompous ignorance is so exctreme that faced with a real life situation the only thing the know how to do is to submerge their head into their own ass much like an ostrich in a hole