In Reply to: Don't s h i t where you eat posted by Graham Cambray on March 09, 2009 at 02:51:
It applies to cheat the hand that feeds you (family, friends, boss, etc). Cheating as doing wrong things to them or just talking s h i t about the people that help you.
It's similar to "be a pig".
Afterall, pigs s h i t where they eat.