snitch


snitch (http://definr.com/snitch)

     n : someone acting as an informer or decoy for the police [syn:
         fink, snitcher, stoolpigeon, stoolie, sneak, sneaker,
          canary]
     v 1: take by theft; "Someone snitched my wallet!" [syn: hook, thieve,
           cop, knock off, glom]
     2: give away information about somebody; "He told on his
        classmate who had cheated on the exam" [syn: denounce, {tell
        on}, betray, give away, rat, grass, peach, shit,
         shop, stag]