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1. Shit is a vernacular word in Modern English denoting feces, the byproduct of digestion.

Shinola is a brand of wax shoe polish that was available in the early- to mid-20th century. The original trademark was filed in 1929 by '2 IN 1-SHINOLA-BIXBY CORPORATION', New Jersey.

2. Ass can be used in its literal sense to refer to the buttocks, but it is most commonly employed to denote either a) an idiot or stupid person, referring to the alleged stupidity of the donkey, as in: "Don't be such an ass! You're acting like you're five years old!", or pleonastically in "dumb ass", or b) as a short-hand for asshole, referring to an egoistic person who is acting to make others miserable.

The elbow-joint (Articulatio Cubiti) [Figs. 1,2] is a ginglymus or hinge-joint.