What is "munge"

alt. 1 (context transitive computing informal English) To transform data in an undefined or unexplained manner. 2 (context transitive computing informal English) To add a spamblock to (an email address). 3 (context transitive genealogy informal English) To corrupt a record about an individual by erroneously merging in information about another individual. vb. 1 (context transitive computing informal English) To transform data in an undefined or unexplained manner. 2 (context transitive computing informal English) To add a spamblock to (an email address). 3 (context transitive genealogy informal English) To corrupt a record about an individual by erroneously merging in information about another individual.