those with 'stiff' (conservative?, slow-witted?) mental attitudes and tendencies, when faced with some situation requiring a 'tad' bit of imagination. (aka; 'walking of the "wild" side'/stretching' of the mind.
those quick to 'not get it', and/or walk away quickly, back to their minister, banker, bishop or momma!
when joe spit flaming alcohol out of his mouth, the simpler souls didn't 'get it'!!
the simpler souls quickly left, when our fart-lighting session began.
we trained wendy to fart and belch, but the simpler souls couldn't handle it!