There is a moment, unscripted, in Hulu’s “Deli Boys,” in which Poorna Jagannathan and Tan France start cursing at each other in Urdu.
The two are close friends (and old friends), but France’s acting debut in the absurd comedy series put him through the ringer, until the duo were improvising the most vile things they could say to each other. There’s kutti (bitch), haramzaade (bastard), bhenchod (sister fucker) — all flowing through a meticulously choreographed group fight…