1. Any shiny thing which distracts morons such as rappers.
2. Often takes the form of jewellery, may be expensive but is commonly cheap, used to give the impression of wealth. Adored by Chav's.
3. Gaudy over the top hideous and wholly unneccessary.
Rapper: Check my bling 22's yo'
Me: wow there hideous, get some taste.
Rapper:..........(distracted ny own relfection in chrome)
Chav A:lurk at ma soverin ring youi
Chav B:Yer tha luks well smart wid ya burberry 'at. Blingin' it.
Chav A:oh noooh, its raeinin it'll go green if i' gets wet!