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Noun: someonewho sleeps with multiple people, male and female, attempting to "explore" their sexuality. They will use the excuse "I was just exploring my sexuality, and I'm not into you" when they dump you because they don't like long-term relationships. You may find them at parties or outdoor events where you don't need an invite because they pick people up at social eventsl like these. These people seem naive when you question their motifs, and will ALWAYS deny being an adventureer or knowing what it is.
Julie: man, did you see John last night? He was totally coming on to me!

James: watch out, he's an adventureer! He went after me a few weeks ago!
by EnchiladaLady October 30, 2011
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