either a small can of beer, or a small boat.

a small, usually aluminium, dinghy. Also refers to a can of beer. Also means lucky. For example: "Geez you tinny bastard, how'd you land that fish? Now toss me another cold tinny, before I chuck you out of the tinny."

thin and metallic in sound; lacking resonance; "an unpleasant tinny voice"

Used to describe a sound with too many highs and mids and not enough lows.

Metallic tasting.

Pertaining to, abounding with, or resembling, tin.

of very poor quality