Slang; usually in collocations such as "bling out" or "bling up" meaning to decorate something in an ostentatious way.
Definitions
To decorate or embellish something with flashy, shiny, or ostentatious accessories. They blinged their phones with rhinestones and gold stickers.
To wear flashy, ostentatious jewelry. He loves to bling whenever he goes to a club.
Synonyms
glitz up
jazz up
dress up
show off