[bling or bling-bling]Slang.
- expensive and flashy jewelry, clothing, or other possessions.
- the flaunting of such possessions or the flashy lifestyle associated with it.
- flashy; ostentatious.
- to flaunt one's material wealth; live a flashy lifestyle.
- to dress or adorn in a flashy way: Bling up your wardrobe!
Origin of bling
1995-2000; perhaps imitative of the imaginary sound that light makes when reflecting off a diamond
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
also bling-bling, by 1997, U.S. rap slang, "wealth, expensive accessories," a sound suggestive of the glitter of jewels and precious metals (cf. German blinken "to gleam, sparkle").
Online Etymology Dictionary, © 2010 Douglas Harper