As the Year-End Gift Giving Period (YEGGP) approaches, the Korean will recycle last year's post on gift-giving for Koreans. Please refer all gift-giving questions and suggestions here.
For those who are too lazy to click, here is a quick summary: there is no ultra-special, super-secret, culturally-relevant "Korean gift", except for a select few occasions. Stop being so scared about appearing to be politically incorrect. A gift given from the heart cannot offend anyone.