chacronym
The preferred linguistic term for an abbreviation or acronym used in chatting, texting, message boards and the like.
Chacronym examples: BRB (Be Right Back), FWIW (For What It's Worth), THX (Thanks).
Chacronym examples: BRB (Be Right Back), FWIW (For What It's Worth), THX (Thanks).
To me, BRB is a few nonsensical letters, evidently this chacronym means 'Be Right Back'.