Putting fragile glass bulbs in the mouth may be a bad idea, but this is a hoax.
Most mouths are too small to fit a standard bulb, but if inserted, they can be removed.
piped.video/watch?v=ck8kxoโฆ
There are no documented medical cases of bulbs getting stuck but bulb-related burns/cuts are easy to find.
hospital-data.com/accidents/627-