noun
heavily decorated cell phone; blinged-out phone
Slang from the early 2000s gal/gyaru subculture, referring to a mobile phone lavishly decorated with rhinestones, stickers, charms, and other ornaments. The term is an abbreviation of 姫電話 (hime denwa, 'princess phone').
ギャルたちは姫電を自慢し合っていた。
The gals were showing off their blinged-out phones to each other.
あの頃は姫電を作るのに何時間もかけたものだ。
Back then, I used to spend hours decorating my princess phone.