nameplay
nounUK /ˈneɪmpleɪ/
US /ˈneɪmpleɪ/
Nameplay is when you have fun with names by changing them or making jokes with them.
The kids enjoyed some nameplay, turning 'Sam' into 'Sammy Hammy'.
OTHER MEANINGS
2. The act of using someone's name in a playful or teasing way.
His nameplay with the teacher's name made the class giggle.
3. A literary technique where names are used to suggest meaning or humor.
The author's nameplay gave the characters funny, fitting names.
4. A game or activity involving making up or changing names.
At the party, they played a nameplay game where everyone invented a new name for themselves.