Some quotations from the dictionary courtesy of http://www.samueljohnson.com/:
Dull: Not exhilaterating (sic); not delightful; as, to make dictionaries is dull work.
Excise: A hateful tax levied upon commodities, and adjudged not by the common judges of property, but wretches hired by those to whom excise is paid.
Far-fetch: A deep stratagem. A ludicrous word.
Jobbernowl: Loggerhead; blockhead.
Kickshaw: A dish so changed by the cookery that it can scarcely be known.
Lexicographer: A writer of dictionaries; a harmless drudge that busies himself in tracing the original, and detailing the signification of words.
Oats: A grain, which in England is generally given to horses, but in Scotland appears to support the people.
Patron: One who countenances, supports or protects. Commonly a wretch who supports with insolence, and is paid with flattery.
Pension: An allowance made to any one without an equivalent. In England it is generally understood to mean pay given to a state hireling for treason to his country.
Politician: 1. One versed in the arts of government; one skilled in politicks. 2. A man of artifice; one of deep contrivance.
To worm: To deprive a dog of something, nobody knows what, under his tongue, which is said to prevent him, nobody knows why, from running mad.
I must be a bit of a jobbernowl myself as I have never heard of kickshaw. I wonder where I can get a recipe.