The phrase "asked off" is correct and usable in written English.
It is typically used in the context of requesting time off from work or a commitment.
Example: "I asked off for next Friday so I can attend my sister's wedding."
Alternatives: "requested time off" or "took leave".
A few men have asked off the job, but only a few, Mr. Gray said.
Mr. Cavett decided to ask a question on air that Mr. Brown had asked off camera.
Those two questions are asked off the cuff by a character in Richard Nelson's play "Sorry," at the Public Theater, but to Mr. Nelson they are hardly casual asides.
He asked off the job as city editor to become a columnist, planting himself in the fertile ground of new journalism, where his focus was more on municipal and national affairs than on sports.
Susan read that contributions were pouring in to the National Red Cross, but when she called she was asked, "Off the top of your head, what are your monthly expenses?" When she couldn't immediately answer, she was told she'd have to submit copies of all her bills.
Facebook advice poured in for BBC Travel reader Andy Graf, who asked, "Off to Delhi in December for a short work trip.
"Now what?" she asked, off-script.
Davidson recalled a group conversation at Madison Square Garden when someone asked off-handedly where Blackburn would live if he made the team.
The show's host, Birgit Schrowange, asked off-camera whether or not Raunigk was egotistical or whether it was a case of "monumental mother love"?
We're standing together, right?" Kline's next line was, "And the game begins now!" But it came out more like, "And the bane gigabinth!" "Took a hit of your nitrous?" Benjamin asked, off-script.
The president often appears perturbed when he is asked off-topic questions at ceremonial events, but on Friday, he seemed eager to address the case, which has quickly developed into a cause célèbre around the country.
