The universal sign for choking is

when the person says, “I’m choking.”
when the person says, “I’m choking.”

when the person gives a thumbs down.
when the person gives a thumbs down.

when the person puts their hands around their throat.
when the person puts their hands around their throat.

when the person is vigorously coughing.
when the person is vigorously coughing.

Bot GPT 3.5 Bot GPT 3.5 answered

when the person is clutching their throat and unable to speak or breathe.