Walk what you talk
Basically means "do what you say"
Example 1:
Person 1: "You should stop being such a moron"
Person 2: "Walk what you talk"
Example 2:
Person 1: "You complain about things but you do them yourself. You should walk what you talk"
Person 1: "You should stop being such a moron"
Person 2: "Walk what you talk"
Example 2:
Person 1: "You complain about things but you do them yourself. You should walk what you talk"