an additional charge (as for items previously omitted or as a penalty for failure to exercise common caution or common skill)
charge an extra fee, as for a special service
rip off; ask an unreasonable price
fill to capacity with people; "The air raids had surcharged the emergency wards"
print a new denomination on a stamp or a banknote
fill to an excessive degree; "The air was surcharged with tension"
place too much a load on; "don't overload the car"
show an omission in (an account) for which credit ought to have been given