Synonyms for Tatty (same or very similar meaning)
WordNet sense 1 (showing signs of wear and tear):
moth-eaten, ratty, shabbyWordNet sense 2 (affected by wear; damaged by long use):
wornWordNet sense 3 (tastelessly showy):
brassy, cheap, flash, flashy, garish, gaudy, gimcrack, loud, meretricious, tacky, tawdry, trashyWordNet sense 4 (lacking aesthetic or social taste):
tastelessFrom the ODE community, based on WordNetadd/edit