1. What does it mean?
역조공 reverses 조공, the fandom term for sending gifts or support to an artist. It describes the artist providing something for fans, such as refreshments or a small keepsake at an event.
Also written or said as yeokjogong
2. The nuance
The expression is playful rather than literal tribute. It describes a gesture, not an obligation: fans should not assume every event includes gifts or that support buys personal repayment.
3. Examples
“추운 날 따뜻한 음료 역조공을 받아서 고마웠어.”
I appreciated the warm drinks the artist gave fans on a cold day.
“역조공 사진을 보고 팬들을 생각한 마음이 느껴졌어.”
The photos of the artist's gifts showed how much they were thinking of the fans.
Sources
References support the meaning and usage. Example sentences are written for NoCapWiki.