From Longman Dictionary of Contemporary Englishwheeler-dealerˌwheeler-ˈdealer noun [countable]  BBPPsomeone who does a lot of complicated, often dishonest deals, especially in business or politics
                                                    
                                                Examples from the Corpus
wheeler-dealer• Where Mr Perot has built real companies, Mr Riordan's career has mainly been spent as a wheeler-dealer.• He was now presenting himself as a cynical hard-nosed East End wheeler-dealer. 
