The phrase "a touch of wit" is correct and usable in written English.
It can be used to describe something that has a small amount of cleverness or humor, often in writing or speech.
Example: "Her speech was engaging, filled with a touch of wit that kept the audience entertained."
Alternatives: "a hint of humor" or "a dash of cleverness."
There isn't a joke or a touch of wit anywhere in the movie.
For Mr. Benan, it was nothing but the best leathers — with a touch of wit in tiger print.
Simon Spurr dresses men who have a low tolerance for fashion, in suits and sportswear with just a touch of wit.
In a misguided move, RZA has cast himself as the narrator and story hub, a character known, with a touch of wit, only as the Blacksmith.
It had an unpompous self-awareness combined with an appreciation of dressing up: delusions of grandeur were welcome, if they came with a touch of wit.
His work conformed to all the visual hallmarks of Life magazine photography: clear subject matter, strong composition, bold graphic effect and at times even a touch of wit.
He brings that daring and a touch of dark wit to "Wonderland," but the series is also shrewdly connected to the world of real people.
And Mr. Elbaz always adds a touch of nonchalant wit about being a woman, as in a handbag in the shape of a perfume bottle: a goddess for the 21st century.
Yet as this movement — a theme and variations — unfolded, he brought a touch of wry wit to his cool playing to let us hear how cleverly Beethoven altered, transformed and varied that seemingly innocuous theme.
Arnold Schwarzenegger is said to be up for another stint as the T800, and could certainly benefit from a touch of Whedon wit to brighten up his Teutonic tones.
"The ichneumoninae," he later wrote with a touch of waspish wit, "have disciplined my time and energy, excepting the interruptions of wars, a revolution, invasion, expulsion, starvation and emigration".
