Source : Webster's Revised Unabridged Dictionary (1913)

Guttersnipe \Gut"ter*snipe"\, n. (Slang)
   (a) A small poster, suitable for a curbstone.
   (b) A curbstone broker. [U. S.]

Source : WordNet®

guttersnipe
     n : a child who spends most of his time in the streets
         especially in slum areas [syn: {street urchin}]