surcharge

(noun) an additional charge (as for items previously omitted or as a penalty for failure to exercise common caution or common skill).

(verb) charge an extra fee, as for a special service.

(verb) rip off; ask an unreasonable price. Synonyms: overcharge, soak, gazump, fleece, plume, pluck, rob, hook.

(verb) fill to capacity with people. Examples: "The air raids had surcharged the emergency wards."

(verb) print a new denomination on a stamp or a banknote.

(verb) fill to an excessive degree. Examples: "The air was surcharged with tension."

(verb) place too much a load on. Synonyms: overload, overcharge. Examples: "Don't overload the car."

(verb) show an omission in (an account) for which credit ought to have been given.