My visor was covered in mud, and I had used up all the tear-offs.

Every such idiom is what is known as a truth function, and is characterized by the fact that the truth or falsehood of the complex statement which it generates is uniquely determined by the truth or falsehood of the several statements which it combines.

The Browns . . . threw three quarterbacks into the tire fire against Baltimore last week.

The vital fluid is soon separated into its constituent elements, and the serous, saline, and albuminous portions of it are profusely poured from the system, through the toneless myriads of the patulous extreme vessels of the alimonious region; […]