Shit

Etymology:
A trusty favourite the ‘tommy tit’ has been with us since the middle ages in the form of scite or scitte. Swear words attract more etymological urban myths than any other and, this is no exception. Ship High In Transit, was not written on the side of boats transporting manure just as, after the plague, regal edicts marked Fornicate Under Command of King were not issued.

Essential use in cinema: Glengarry Glen Ross
This is one of the few films where that overrated wall of pork luncheon meat with eyes Al Pacino puts in an unbeatable performance as the dead eyed salesman Ricky Roma. The potty mouthed lead chaser is in his element when nihilistically stripping Jonathan Pryce’s character of his life savings in a bar using this opening gambit: “All train compartments smell vaguely of shit. It gets so you don't mind it. That's the worst thing that I can confess. You know how long it took me to get there? A long time. When you die you're going to regret the things you don't do.”