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1.
"Individuals Above Dating Society"
Used as the title of a group or club.
Can also be used to refer to someone who is constantly single. (Singular: IAD Plural: IADS)
Pronounced: I. A. D. S. ; ee-ah-ds/ee-ah-d
If you and several other people you know are extremely single and unable to do anything about it, you may want to form an IADS Club.

or

"She doesn't have a boyfriend. She's been an IAD for almost a year!"
"We should form an IADS club!"
"I've been an IAD all my life!"
by Lil-Lolo April 16, 2008
3 1
 
2.
IAD
An abbreviation for Irritated Ankle Disorder, alluded to in the 2007 film Disturbia; occurs when one is under house arrest and is forced to wear an ankle tracker.
Mr. Phillips may diagnose Kale with IAD.
by SummertimeRolls February 21, 2010
4 6