1. What does it mean?
쩝쩝박사 pairs an eating sound with 박사, doctor or scholar. It playfully praises someone who knows good food, clever combinations, or exactly how to make a meal especially satisfying.
Also written or said as jjeopjjeopbaksa
2. The nuance
The academic title is a joke, not a qualification. Despite the eating sound, the usual praise is about food enthusiasm, not an instruction to chew noisily.
3. Examples
“남은 재료로 이런 맛을 내다니 쩝쩝박사네.”
Making something this tasty from leftovers is food-expert behavior.
“쩝쩝박사 친구에게 사이드 메뉴를 맡겼어.”
I let my foodie-expert friend choose the side dishes.
Sources
References support the meaning and usage. Example sentences are written for NoCapWiki.