Hello, Claire! I’m Mandy from Korea I’m glad to swap with you!
This postcard is about “CHIMAEK” (chicken + Maekju) Maekju is Korean representation of beer. I love Chimaek, too. XD
There are some similar expressions like “Pimaek” (Pizza + Maekju), “Samso” (Samgyeopsal + Soju)
Have a good day and happy swap!