godan verb (-ru), transitive verb
decorate; prettify; bedazzle
Colloquial verb from デコレーション. Often used for personalizing small items like phone cases, notebooks, or slippers with stickers, rhinestones, or charms.
See also: デコレーション
友達とスマホケースをデコった。
I decorated my phone case with my friend.
彼女はノートをシールでデコるのが好きだ。
She likes to prettify her notebooks with stickers.