PMJI

PMJI

An initialism for "pardon me for jumping in," used in online written communications to interject into an established conversation or thread of responses. PMJI—I just have to respond to dog_lover-2010's post, because they're basing it off of a lot of misinformation.
Farlex Dictionary of Idioms.

PMJI

interj. Pardon me for jumping in. (This indicates that someone is responding to a message directed to someone else. Used in electronic mail and computer forum or news group messages. Not pronounced aloud.) PMJI, but I have some information that would help you with your problem.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • WTG
  • YMBJ
  • ianal
  • IANAS
  • IANAD
  • CTFO
  • FOAD
  • HBU
  • DNW
  • IANA