1. What does it mean?
꿀빨다 literally evokes sipping honey. Figuratively, it describes a comfortable assignment, a favorable arrangement, or getting the easy side of a situation while little strain falls on you.
Also written or said as kkulppalda
2. The nuance
It can be pleased self-commentary, but saying someone else is 꿀빤다 may accuse them of coasting or benefiting unfairly. It does not necessarily imply cheating.
3. Examples
“이번 당번은 손님이 적어서 좀 꿀빨았어.”
There weren't many visitors during my shift, so I had it pretty easy.
“자동 정리 기능 덕분에 오늘은 꿀빠네.”
The automatic sorting feature is making my life easy today.
Sources
References support the meaning and usage. Example sentences are written for NoCapWiki.