munge

To transform data in an undefined or unexplained manner, as for example when data wrangling requires nonsystemic or nonsystematic edits.

As a part of the code review with the development team, notify them that you want to have these options as a part of the installation script, rather than you munging the installation scripts during deployment.

To add a spamblock to (an email address).

Munging is effective — it prevents unwanted email from reaching you by keeping your real email address out of the clutches of the address-harvesting programs.

To corrupt a record about a person by erroneously merging in information about another person.

It looks like this record is munged—it has this person’s birth date, but his father’s death date.