[ ad nô] ′zē əm, äd-; -sē-
Ad nauseam is defined as something that happens over and over, or that goes on for so long that everyone is sick of it.
An example of ad nauseam is the story that your professor repeats at the beginning of every single class.
ad nauseam definition by Webster's New World
to the point of disgust; to a sickening extreme
Origin: Classical Latin to nausea Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc. ad nauseam definition by American Heritage Dictionary
To a disgusting or ridiculous degree; to the point of nausea.
Origin: Latin ad, to + nauseam, accusative of nausea, sickness. The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. ad nauseam - Cultural Definition
To go on endlessly; literally, to continue “to seasickness”: “The candidate told us the details of how he overcame his childhood problems
ad nauseam.” The New Dictionary of Cultural Literacy Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. ad nauseam - Phrases/Idioms
To ridiculous excess, to a sickening degree. For example,
I wish he'd drop the subject; we have heard about budget cuts ad nauseam. The term, Latin for “to [the point of] nausea,” has been used in English since the early 1600s.