nickname
noun
a name added to or substituted for the proper name of a person, place, etc., as in affection, ridicule, or familiarity.
Used to describe an ongoing action or continuous state that was happening at a specific time in the past.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
One form of pleasantry the Guthrie Brimstons greatly affected was nicknaming.
From The Heavenly Twins by Madame Sarah Grand