Konglish Dictionary
서비스
seobiseu
In Korea it means
Something free, on the house.
In English, say
“on the house / a freebie”
Why it's different
From “service,” in the sense of good service — a shop treating a regular to something extra.
Example
사장님이 군만두를 서비스로 주셨어요.The owner gave us fried dumplings on the house.