The phrase "knock into the middle of next week" is an idiom that means to hit someone so hard that they become disoriented or incapacitated. Some synonyms for this expression include "knockout," "coldcock," "floor," "flatten," or "lay out." These words can give additional context to the extent of physical force being used in a situation. When two people are fighting, one could say that they "knocked each other into the middle of next week." Alternatively, if a person knocks over a vase and it shatters, someone might joke that they "knocked it into the middle of next week." These synonyms provide alternative ways to convey similar levels of force or impact.