1. a person who gives nicknames to others

Examples

• He was the class nicknamer, always coming up with creative names for his friends.
• As the team’s unofficial nicknamer, she gave everyone memorable monikers.
• The nicknamer in our group had a talent for finding the perfect shortened names.
• Every office has a nicknamer who creates amusing names for coworkers.
• She earned a reputation as a skilled nicknamer after dubbing the new teacher ‘Professor Sunshine’.