What is Go Make Me A Sandwich?
1.
A saying used when one person completely dominates another person in a game, contest, sport, etc. Implies that the winner has complete possession of the broken competitor, thus placing the loser in a condition of servitude in the form of the construction and delivery of a sandwich.
We're not playing again-I just beat you 50 times in a row! I think it's time for you to go make me a sandwich.
2.
A phrase commonly said to a bitch by her master when he (or she) is hungry.
Master: yo ho, go making me a motherfucking sandwich!