Definition of tinselled:
(n) :
(by extension) A thin, shiny foil for ornamental purposes which is of a material made of metal or resembling metal; especially, narrow glittering strips of such a material, often strung on to thread, and traditionally at Christmastime draped on Christmas trees, hung from balustrades or ceilings, or wrapped around objects as a decoration.
(n) :
(by extension) (figuratively) Anything shining and gaudy; especially something superficially shiny and showy, or having a false lustre, and more pretty than valuable.
(adj) :
(by extension) (figuratively) Apparently beautiful and costly but having little value; superficially attractive; gaudy, showy, tawdry.
(v) :
To adorn (something) with tinsel.
(v) :
(by extension) To deck out (a place or something) with showy but cheap ornaments; to make gaudy.
(v) :
(figuratively) To give (something) a false or superficial attractiveness.