Having a thin, metallic sound that is often unpleasant. The old radio had a tinny sound that made it hard to enjoy the music.
Made of or resembling tin, especially in appearance or texture. The tinny surface of the cheap toy made it look less appealing.
Australian and New Zealand informal: lucky or having unexpected good fortune, often undeserved. He won three raffles in one night—he’s a really tinny bloke.