Wiktionary
chubes
n. 1 (eye dialect of tube tubes English) 2 (context slang English) The inner workings of one's body
Usage examples of "chubes".
These gutters, or chubes in the language of the area, were used by street cleaners to keep the well-paved streets clear of manure from their bipedal mounts and packbeasts.
The rain gurgled in the gutters, chuckled in the chubes, and filled the flood canals.