Definition of fustians:
(n) :
(figuratively) Inflated, pompous, or pretentious speech or writing; bombast; also (archaic), incoherent or unintelligible speech or writing; gibberish, nonsense.
(adj) :
Of a person, or their speech or writing: using inflated, pompous, or pretentious language; bombastic; grandiloquent; also (obsolete) using incoherent or unintelligible language.
(n) :
Originally, a kind of coarse fabric made from cotton and flax; now, a kind of coarse twilled cotton, or cotton and linen, stuff with a short pile and often dyed a dull colour, which is chiefly prepared for menswear.
(n) :
A class of fabric including corduroy and velveteen.
(adj) :
Made out of fustian (noun sense 1).
(n) :
(alcoholic beverages, archaic) Chiefly in rum fustian: a hot drink made of a mixture of alcoholic beverages (as beer, gin, and sherry or white wine) with egg yolk, lemon, and spices.