JJ is a nickname or informal name, typically for someone whose initials are J.J. or whose given name contains repeated J sounds.
It appears in usernames, gaming handles, and as a casual form of address: Everyone calls him JJ.
The doubled letter gives it a bouncy, approachable quality common in childhood nicknames that sometimes persist into adulthood.
IDEA.org / Words / JJ
JJ is a nickname or informal name, typically for someone whose initials are J.J. or whose given name contains repeated J sounds.
It appears in usernames, gaming handles, and as a casual form of address: Everyone calls him JJ.
The doubled letter gives it a bouncy, approachable quality common in childhood nicknames that sometimes persist into adulthood.
1. abbreviation — jersey, Knitted pullover garment; jumper (Pullover or pinafore dress); jacket (Sleeved upper-body covering); jeans (Casual denim trousers); joggers · jumpsuit · jewelry · jade · jasper · jet · jazz · jive · jig · jamboree
Word data: Linguabase (CC0) · www.idea.org/words/JJ