Overvote

An overvote that took the form of punching Gore's chad and then writing his name (or Lieberman's) in the place for a write-in candidate would unambiguously manifest the voter's intention to vote for Gore.

Overvotes are a relatively common phenomenon for shares held in a street name.

[…] a poll worker can manually override the program and accept the ballot, even though it has been overvoted or undervoted.

I know a great deal of difficulty ensues, and frequently brokers' shares are overvoted.

Caleb and Joshua would have been overvoted by almost six hundred thousand Israelites; […]