How does kiao tor come about in local hokkien? Dig
mud in english.
Hope you don't mind if I start the practice to institute tones
into our Hokkien forum here.
Hope we can all make the pronunciations sound more like
"real" 
To be placed
after the word
\ =
for falling tone (a backslash)
/ = for rising tone (a slash)
_ = for a low level tone (an
underscore)
-- = for a mid level tone (two
dashes)
''' = for a high level tone (three
apostrophes)
kiao_
thor/ = "dig mug" in english
I believe that race used to "dig mug" in the past, thus the
association to this trade