"Visual wit" refers to humor or cleverness that is expressed through images, pictures, or visual elements. It involves using creative and clever visual techniques to convey funny or clever ideas. Full definition
This kind of visual wit allows Smith to indulge a quite original colour sense that feels linked directly to the real utilitarian world but also one heightened by colours and forms wrested from mass media imagery. (abcrit.org)
You can, believe it or not, see some of Leitch's affinity for the silent classics in Deadpool 2, a movie that often blends action and comedy with visual wit and efficiency, offering an unexpected new angle to a sequel that returns with the expected load of R - rated snark and in - jokes for movie buffs (Celine Dion sings over the opening sequence, which invokes everything from Bond movies to Flashdance.) (philly.com)
As critic David Sterritt notes in his liner essay for our edition of the film, the dazzling Brazil's «verbal and visual wit remain as incisive as ever, and the themes it explores — social alienation, terrorism, the hazards of high technology, and the bureaucratization of absolutely everything — are more urgent now than when the film premiered.» (criterion.com)