- to tag an account that begins with the symbol @, resulting in a link to that account’s profile and a notification to the user that their account has been explicitly mentioned in someone else’s post: One big celebrity at-ed the restaurant, and suddenly reservations were booked for the next six weeks.
- to include or involve someone, or to call a person out, especially when that person does not want to be involved or singled out: My opinions are my own, so please don’t at my employer about the stuff I write on this site.
- to argue with someone, or dispute someone’s stated views, especially on social media: The sequel was better than the original—don’t at me!
Idioms about at
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How to use at in a sentence
ROME — What does it take for a Hollywood A-lister to get a private audience with Pope Francis?Pope Francis Has the Pleasure of Meeting Angelina Jolie for a Few Seconds|Barbie Latza Nadeau|January 8, 2015|DAILY BEAST
Marvin takes off his T-shirt and dives into his swimming pool.The Story Behind Lee Marvin’s Liberty Valance Smile|Robert Ward|January 3, 2015|DAILY BEAST
Yes, Byrd—dead four-and-a-half years now—was a Kleagle in the Ku Klux Klan.Steve Scalise and the Right’s Ridiculous Racial Blame Game|Michael Tomasky|January 2, 2015|DAILY BEAST
By the time it concluded with a sing-a-long of “XO,” Beyoncé had done the rare thing.Bow Down, Bitches: How Beyoncé Turned an Elevator Brawl Into a Perfect Year|Kevin Fallon|December 31, 2014|DAILY BEAST
In another year, stories about the strange new face of an A-list actress might draw chortles and cackles.Renée Zellweger Got a New Face—and Everyone Had An Opinion About It|Kevin O’Keeffe|December 29, 2014|DAILY BEAST
Now-a-days it is the bankrupt who flouts, and his too confiding creditors who are jeered and laughed at.Glances at Europe|Horace Greeley
There'll be heaps uh fun in the Cypress Hills country when they get t' runnin' the whisky-jacks out.Raw Gold|Bertrand W. Sinclair
He felt himself the meanest, vilest thing a-crawl upon this sinful earth, and she—dear God!St. Martin's Summer|Rafael Sabatini
All that scientific bric-a-brac in the cupboard had far better be thrown away.The Salvaging Of Civilisation|H. G. (Herbert George) Wells
An with that I laid down on the settee, an felt orful bad, an the more I tho't about it, the wus I felt.