ok let me share a story. many years ago in my red ground days say late 70's . we had a group staying in the yard where i stayed. there was a band and some friends.all Jamaicans one of the guys had a nickname it was dummy. i had asked about the nickname but did not get anywhere. one day one the beach i saw dummy coming with a sign. please help i can not speak or hear . seemed like he was doing pretty well i did nort give it away.