411 REFERENCE · Wiktionary
7942
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
Korean
Etymology
From 7 (ko 칠, ko 七) + 9 (ko 구, ko 九) + 4 (ko 사, ko 四) + 2 (ko 이, ko 二); A en pun from the similar pronunciation of 7942 (ko 칠구사이) and ko 친구사이 friends together, between friends, from ko 친구 friend+ko 사이 space in between, relationship
Noun
ko noun
ko texting informal en friends