Informal moniker (8)
I believe the answer is:
nickname
(Other definitions for nickname that I've seen before include "Jack the Ripper, for example" , "Agnomen" , "Jason say" , "Familiar term of address" , "Familiar form of address" .)
I believe the answer is:
nickname
(Other definitions for nickname that I've seen before include "Jack the Ripper, for example" , "Agnomen" , "Jason say" , "Familiar term of address" , "Familiar form of address" .)