This is known as a hyperactive gag
reflex or oral hypersensitivity, a condition that can sometimes be overcome with the
slow and careful introduction of texture, but
which may require help from a speech therapist.
You might also understand that it
slows your
reflexes and reaction time,
which is why jogging while tipsy (a specialty of the Hash House Harriers, «a drinking club with a running problem») isn't the smartest idea.