* "Bling" - This term is used for any flashy jewelry or decoration, including medals.
* "Hardware" - This term is more common in the military and refers to awards and decorations.
* "Piece of metal" - This is a more cynical or dismissive way to refer to a medal.
* "Badge" - This term is sometimes used to refer to medals, especially those awarded for achievement or service.
Ultimately, the best "slang" term depends on the situation and the speaker's intention.