A sound in one's ears or actually in the brain sometimes made by a disease called Tinnitus. Missed deadlines can make the same sound.
"I love deadlines. I love the whooshing sound they make as they fly by."
Douglas Adams, English novelist
Ooopss, I am late with my tax forms, just heard the deadline whooshing.
Those guys who most of their time claim that they are just on the way to an airport, come from an airtrip, or tell us what distant place they have seen last week. So that we others know, how important they are.
"I came yesterday back from Paris, uuuhhh, and the night-life there..."
"Aren't you just aerogant?"