ad nauseam
Continuously and to excess. The phrase is Latin for "to nausea" (to the point that one becomes ill). I couldn't help but check my watch as Beth talked ad nauseam about her boyfriend's accomplishments.
ad nauseam
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.
ˌad ˈnauseam
(from Latin) if a person says or does something ad nauseam, they say or do it again and again so that it becomes boring or annoying: Television sports commentators repeat the same phrases ad nauseam.The meaning of the Latin phrase is ‘to sickness’.