Backseat orderer
The obnoxious shouting of food requests at a person placing a telephone takeout order, when they do not want to place the order themselves; resulting in inaccurate food orders.
Next time don't be a backseat orderer and you can get your moo goo gai pan.
I'm sorry I forgot to get your knots, Jim was backseat ordering and I couldn't hear you.
I'm sorry I forgot to get your knots, Jim was backseat ordering and I couldn't hear you.