Page:Dictionary of Slang, Jargon & Cant (1889) by Barrere & Leland.djvu/29

 OF

1 (popular), a form used to indicate a high degree of excellence.

The expression is also used adverbially.

I am A1, I am all right, comfortable.

It originated from A1, Lloyd's, an abbreviation commonly used in mercantile circles to indicate the character of a ship and its appointments. To be classed A1 at Lloyd's means that the vessel, its anchors, sails, tackle, and stores have been examined by official surveyors, and found to be in good trim, entitling it to be ranked as first class. When a vessel fails to reach the highest standard, other marks are bestowed.

A. 1 or No. 1 (fenian). The latter is often incorrectly used. It should be A1, a title for the commander of 900 men.

Aaron (thieves). The Aaron is the chief or captain of a gang or school of thieves. This cognomen is invariably accompanied with the prefix The—par excellence the first— A