As a noun nickname is
nickname in the sense of screenname, handle.
mraidjs
Not English
Mraidjs has no English definition. It may be misspelled.
English words similar to 'mraidjs':
merits,
murids,
myriads,
mirths,
mortises,
mortices,
marrieds,
muriates,
mirids,
morrots,
mariets,
morids,
merides,
marrots,
muroids,
murtis
nickname
Noun
(
en noun)
A familiar, invented given name for a person or thing used instead of the actual name of the person or thing.
A kind of byname that describes a person by a characteristic of that person.
Synonyms
* (familiar invented given name) handle, hypocoristic, moniker, nick, sobriquet, pet name
* (byname) antonomasia, byname, cognomen
Verb
(nicknam)
To give a nickname to (a person or thing).