SIRD

Internet acronym for “Sorry, Incorrect Recipient, Disregard.”
Used when one has sent a text message to the wrong person or entity.

Professor: Your thesis needs some work. Please stop by my during my office hours.

Student: You were so crazy party last night. I think I love you.
Professor: I think highly of you, but I did not attend said party - and your thesis still requires attention.

Student: SIRD