Source : WordNet®

tinny
     adj 1: of very poor quality [syn: {bum}, {cheap}, {cheesy}, {chintzy},
             {crummy}, {punk}, {sleazy}]
     2: thin and metallic in sound; lacking resonance; "an
        unpleasant tinny voice"
     [also: {tinniest}, {tinnier}]

tinnier
     See {tinny}