You can shout ‘fire’ in a burning theater: Part 5 of answers to bad arguments against free speech from Nadine Strossen and Greg Lukianoff

Nadine Strossen, former head of the ACLU from 1991 to 2008, explains that the trope about shouting ‘fire’ in a crowded theater is misunderstood and misused.

Source: You can shout ‘fire’ in a burning theater: Part 5 of answers to bad arguments against free speech from Nadine Strossen and Greg Lukianoff

tl;dr: of course you can, when appropriate like when the theatre is on firel. it’s about truthful context.