Adjectives

(s)brassy, cheap, flash, flashy, garish, gaudy, gimcrack, loud, meretricious, tacky, tatty, tawdry, trashytastelessly showy“a flash car”, “a flashy ring”, “garish colors”, “a gaudy costume”, “loud sport shirts”, “a meretricious yet stylish book”, “tawdry ornaments”
(s)cheapjack, shoddy, tawdrymade of inferior workmanship and materials“cheapjack moviemaking … that feeds on the low taste of the mob” (Judith Crist)