Shiny

[Sarah]

Bright; luminous; clear; unclouded.Like distant thunder on a shiny day. Dryden.

[Sarah]

To be good, in a state of being good, to be having a good time.
(See Firefly)

[Sarah]

Something that is great, neat, very cool, peachy keen. From the short lived Joss Whedon television series Firefly.

[Sarah]

(interjection) cool, nifty, awesome, pretty, amazing, wonderful, great, remarkable... etc.

[Sarah]

Shiny - good in any way, shape or form.

[Sarah]

Anything good.

[Sarah]

This is used to describe something that's very cool

[Agnes]

Used by fans of the TV (short lived) show [Firefly], to describe an idea/something that one likes (instead of saying brilliant, awesome, cool, [neat], rad...?).

[Shiny] is used especially if the idea or thing is new or bright. Not used so much to describe old things or things that look old.

[Jessica]

(of a smooth surface) reflecting light, typically because very clean or polished.