A. A pair of nickers.
Motorists are still expressing their indignation at a recent disgraceful incident when one of their number, because he could not pay a fine at once, was taken to prison, and forced to don ugly convict garb in the place of his becoming goggles and motor coat.
Engineer. "There's certainly a screw loose somewhere."
Simple Simon (with gleeful satisfaction). "He-he! I knaws where 't be too!"
Car Owner (intensely interested). "What do you mean, boy?"
Simple Simon. "He-he! Why I've got 'un! All the folks say as 'ow I've got a screw loose somewheres!"