The use of loud obnoxious sighing as a passive aggressive attack on people in your proximity, usually in attempt to clear them from a room or at least annoy them.
"My office-mate keeps was on an all out sigh offensive yesterday. It made it impossible to get anything done, I was so annoyed, I just left and went to work at home!"
by secretuser420 January 23, 2023
Get the Sigh offensivemug.