떡밥

Etymology
. Traditional Korean paste bait was made by rolling steamed rice into small balls the size of rice cakes, hence the name. The Internet slang sense is from the notion of "fishing" for replies or discussion.

Noun

 * 1) paste bait cheap type of fishing bait
 * 2)  any issue, topic, or news which causes great discussion or controversy, but in particular also:
 * 3) foreshadowing or Easter eggs in fiction
 * 4)  newly released news about an idol group
 * 5) posting in order to provoke controversy; flamebait
 * 6)  steamed rice used as stuffing in rice cakes