[1] : The Collaborative International Dictionary of English v.0.48

jackanapes \jack"anapes\, n. for jack o' = of apes; prop., a
   man who exhibits apes. written also jackanape.
   1913 webster
   1. a monkey; an ape. --shak.
      1913 webster

   2. a coxcomb; an impertinent or conceited fellow.
      1913 webster

            a young upstart jackanapes.           --arbuthnot.
      1913 webster jackaroo
see also:
jackanape 

[2] : WordNet (r) 2.0

jackanapes
     n : someone who is unimportant but cheeky and presumptuous syn:
          whippersnapper, lightweight
see also:
whippersnapper lightweight 

Jackanapes >> J Words
Jackanapes, definition of term: Jackanapes
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