Tammany
adjective
Tam·ma·ny ˈta-mə-nē 
: of, relating to, or constituting a group or organization exercising or seeking municipal political control by methods often associated with corruption and bossism
Tammanyism
ˈta-mə-nē-ˌi-zəm
noun 
Word History
Etymology
Tammany Hall, headquarters of the Tammany Society, political organization in New York City
First Known Use
1872, in the meaning defined above