The Collaborative International Dictionary of English v.0.48:

Flunky \Flun"ky\ (fl[u^][ng]"k[y^]), n.; pl. Flunkies
   (fl[u^][ng]"k[i^]z). [Prob. fr. or akin to flank.] [Written
   also flunkey.]
   1. A contemptuous name for a liveried servant or a footman.
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   2. One who is obsequious or cringing; a snob.
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   3. One easily deceived in buying stocks; an inexperienced and
      unwary jobber. [Cant, U.S.]
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