the mind > attention and judgement > importance > unimportance > [adjective] > insubstantial > showy or fanciful but insubstantial > affected or foppish (4)
Having the trifling, petty, or flighty qualities of a skipjack; puppyish, foppish.
Affected, finicky, foppish; fond of frippery or finery; showy and insubstantial; fancy. Now rare.
= macaronic, adj. 3. rare.