The phrase "cog the dice" refers to the act of cheating at a game of chance by manipulating the dice in one's favor. There are several synonyms for this term, including "load the dice," "rig the game," "stack the deck," and "cheat." Each of these phrases implies a deliberate and unfair advantage taken during a game or competition. Engaging in such behavior is not only dishonest but may also be illegal depending on the circumstances. Instead, it is best to play games fairly and honestly, respecting the rules and all players involved.