Any foodstuff that defies mastication.
Mostly associated with meat dishes that are conducive to hiding ingredient particulars such as chili. Chewies are usually innocuous bits of connective tissue or erroneous pieces of cartilage or tubing. Foods known to frequently contain chewies include but are not limited too; Scrapple (primary ingredient: hog's head), Haggis (primary ingredients: lung and stomach of lamb) and unspecified burrito fillings.
To perform coitus.
Useful when the actual performance of coitus is pertinent. "Christ almighty, I thought they were gonna zock right there on the bar!" Different from the more popular "fuck," which also refers to the act of coitus, but is frequently used as an expletive meaning, "I did not believe that was possible!" or "That is not what I intended!" or "I am surprised!"