The phrase "delirious about" is grammatically correct and is commonly used in written English.
It is typically used to express extreme excitement or enthusiasm about something. Example: She was delirious about the news that she had been accepted into her dream university.
— Patrick Farrell Poetry Foundation: John Greenleaf Whittier gets totally delirious about pumpkin pie.
He is still considered the greatest couture designer ever, but he was never delirious about that.
Mr. Greene seems near delirious about how trippy the whole thing is.
As always, there were teams who were disappointed about being shunned, like Arizona State, Ball State, Dayton, Gonzaga, Hawaii, Iowa and Wake Forest, and teams that were delirious about being chosen, like Florida State, Miami and Washington.
She is delirious about the exchange rate - she watched it rise in front of her eyes from $1.96 to the pound to $1.97 during the time she queued at the currency booth.
He likes Savannah and gets delirious about Seattle, especially the Space Needle, which represents for him "everything that America has always made me dream of: poetry and modernity, precariousness and technical challenge, lightness of form meshed with a Babel syndrome, city lights, the haunting quality of darkness, tall trees of steel". O.K., fine.
Many in the delirious audience of about 5,000 displayed the lights of their cellular phones, while also waving handkerchiefs of green, white and red, the colors of the Mexican flag.
With a current value of about $155 billion, the hostile bid is inflated by investors' delirious expectations about wireless stocks.
Reading up about them online, they seem completely surreal, like something you'd have delirious dreams about when you were ill and then never be quite sure if they were real or not afterwards.
He said Jeanetta sounded delirious, ranting about stabbing people and killing herself.
He wandered barefoot and delirious for about two weeks in search of rescuers, surviving on a few berries and frogs.
