gut·ter·snipe /ˈgʌtɚ/
  廣告用小招貼
  Gut·ter·snipe n. Slang
  1. (a) A small poster, suitable for a curbstone. (b) A curbstone broker. [U. S.]
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  guttersnipe
       n : a child who spends most of his time in the streets
           especially in slum areas [syn: street urchin]