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1. A castaway on the island in the fictional world of ABC's Lost TV program.

2. A fan of Lost.
1. Jack seems to be the de facto leader of the lostaways, at least for now.

2. She is a total lostaway! She never misses an episode.
by KateisPrettyHot May 07, 2006
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Apr 28 Word of the Day
Literally everyone, ever. Including the writer of this definition.
by masokitsune January 17, 2019
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