The phrase "a form of wit" is correct and usable in written English.
It can be used to describe a particular style or type of humor or cleverness in communication.
Example: "His jokes often reflect a form of wit that is both sharp and insightful, making his audience think while they laugh."
Alternatives: "a type of humor" or "a style of cleverness".
To Ambrose Bierce it was a "form of wit to which wise men stoop and fools aspire".
It's a form of wit arguably lower even than sarcasm: toilet humour, the kind of scatological funnies beloved by young children, and, guiltily, everyone else.
The tight editing, which often cuts off a character in need of reassurance or enlightenment, is itself a form of wit.
He never utters an interesting sentence — when he's not talking about airplanes, he's barely articulate — but his speedy grasp of the industrial future and his willingness to act on what he foresees are a form of wit.
Repetition becomes a form of wit: lines from a porn movie the kids watch, or from a bit of overheard phone sex, get recycled as dialogue, reverberating uneasily in the air.
It was dull, prosaic, lacking any form of wit or creativity, and a crashing letdown after the sight of Barcelona and Juventus taking the sport to its highest limits in the Champions League final.
A form of repartee, wit implies both a mental agility and a linguistic grace that is very much a product of conscious art.
While critics and dealers wrongly saw Polke's moral complexity as a form of postmodern wit, he saw them as gullible.
Because of their own insecurities they start fights -- arguments, misunderstandings -- or use criticism and sarcasm not in a constructive way or as a higher form of wit but as a destructive weapon.
Despite being the lingua franca of the Internet, sarcasm isn't known as a sophisticated form of wit or a conversational style that wins friends.
As Oscar Wilde believed, sarcasm may represent a lower form of wit, but we found that it certainly catalyses a higher form of thought".
