Top Definition
One of the recurring main characters in Adventure Time, a show from Cartoon Network. She is the Vampire Queen in the show and is one of Finn's many friends. She has a playful personality, plays guitar, and has a dad from the Nightosphere. Marceline first appeared in the episode "Evicted!" and appeared ocassionally in episodes.
Marceline only drinks the color red so you don't need to watch out.
by Stephen Daugfield November 19, 2012
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