surcharge

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

(v) charge an extra fee, as for a special service
(v) rip off; ask an unreasonable price fleece, gazump, overcharge, plume, hook, rob, soak, pluck,
(v) fill to capacity with people
- The air raids had surcharged the emergency wards
(v) print a new denomination on a stamp or a banknote
(v) fill to an excessive degree
- The air was surcharged with tension
(v) place too much a load on
- don't overload the car
overcharge, overload,
(v) show an omission in (an account) for which credit ought to have been given