Green’s Dictionary of Slang

(US) wearing (diamond) jewellery; also of jewellery, diamond-encrusted.

1958		R. Chandler Playback 147: The dolled-up and well-iced woman called Margo West.
1996		Real Live ‘Turnaround’ 🎵 Gots to be top-notch, iced-out Movado.
1998		Source Nov. 74: In Rapper X’s latest video he has it all: a convertible Mercedes, a helicopter, women, iced-down Rolex, etc.
2001		Source Aug. 139: Let’s go get Guccied out, iced-out.
2003		Eble Campus Sl. Nov. 4: iced out – wearing flashy, gaudy jewelry.
2013		J. Cole ‘Chaining Day’ 🎵 Iced-out crazy, I wanna shine like Baby.
2020		G. Krauze What They Was 74: I go and get myself some iced-out grillz: two white gold teeth set with diamonds on eoither side of my front teeth.