I found these:

--Extreme meanness, affectation, conceit, or impudence

I found another reference to: "the "dandyism" or "puppyism" of the intellectual who preens himself in mixed company: "The poor fellow fancies himself irresistible among the girls, and is evidently pluming himself, while conversing with them."

Charles Dickens also used it in Nicholas Nickelby and in The Pickwick Papers, as follows:

Lounging near the doors, and in remote corners, were various knots of silly young men, displaying various varieties of puppyism and stupidity; amusing all sensible people near them with their folly and conceit; and happily thinking themselves the object of general admiration.