Kann das evtl. in diese Richtung gehen ?http://www.wordreference.com/definition/chisel
Collins Concise English Dictionary © HarperCollins Publishers::
2. slang to cheat or obtain by cheating
Etymology: 14th Century: via Old French, from Vulgar Latin cīsellus (unattested), from Latin caesus cut, from caedere to cuthttp://www.merriam-webster.com/dictionary/chisel
2 : to employ shrewd or unfair practices on in order to obtain one's end; also : to obtain by such practices http://dictionary.reference.com/browse/chisel
5. to cheat or swindle (someone): He chiseled me out of fifty dollars.
6. to get (something) by cheating or trickery: He chiseled fifty dollars out of me.
verb (used without object)
7. to work with a chisel.
8. to trick; cheat.