매치 매치바 means "Match Match (candy) bar," a Korean candy bar from the 1980s.
I just woke up from a dream about this candy bar, a candy bar I ate almost everyday in Korea in the early '80s. The jingle from the TV and radio commercials will probably be in my head for the rest of my life: "못생겨도 맛은 좋아 ("Even though its ugly, it tastes good.")
This candy bar reminds me of the song in the post immediately below:
"You ask me if there'll come a time when I grow tired of you. Never, my love; never, my love."