FOMO: The unsettling feeling that everyone else is having a better time than you.
DOA: Used in hospital dramas when a victim passes away before reaching the emergency room.
AKA: Referring to someone by an alternate name, like Reginald Dwight (Elton John).
BTW: A phrase used to introduce an unrelated topic that just came to mind.
CC and BCC: Email abbreviations reminiscent of using carbon paper to copy letters.
TBA: Use when planning an event without a confirmed location. TBC means "still to be confirmed."
FYI: Employed in business emails to share information without requiring a response.
AWOL: Originally a military term for unauthorized absence, now used for friends who temporarily disappear.