欧尼 ChineseDict

欧 ou1 歐

尼 ni2 尼

(female usage) older sister (loanword from Korean "eonni")

Info

Wiktionary: 欧尼
MDBG: 欧尼
Examples with 欧尼 on Tatoeba
Percentile: 51 (higher is more common)
Tags: loanword