tinny

Short definition from Wiktionary

Adjective

1. 1
   Of or pertaining to or resembling tin.
2. 2
   Pertaining to the thinness and cheapness of tin or similar-looking metals, in contrast to a heavier, more valuable metal.
3. 3
   Pertaining to a thin, unpleasant sound recalling that of tin being rapped.

Noun

1. 1
   Alternative form of tinnie.