A fine or penalty. transitive verb:
1. To punish for an offense or misdemeanor by imposing a fine or demanding a forfeiture.
2. To obtain by fraud or deception.
3. To defraud; to swindle.
Officials repaid such loans by mulcting the public in a variety of legal and extra-legal ways.
--William H. McNeill, [?]A World History
The fact that major corporations don't have to pay their own way, and instead are able to enlist legislators to mulct common citizens -- and businesses with more modest Washington connections -- deforms the entire political system.
--Doug Bandow, "The Bipartisan Scandal of U.S. Corporate Welfare"
State lawmakers and state courts... [have] ditched old common law rules so as to charge deep-pocket defendants with harms that were once considered other people's fault, thus making it thinkable to mulct automakers for the costs of drunk drivers' crashes
--Walter Olson, "Firing Squad," [?]Reason, May 1999
Mulct comes from Latin multa, "a fine."