"mtmw" means "maybe tomorrow" in which the person using this abbreviation is referring that they're too busy and won't be able to attend that plans you've already made.
Person 1: "Hey Person 2! Today we go to McDonald's and try out that new chicken sandwich!"
Person 2: "Oh thats today? Omg sorry man I have a student council meeting about the upcoming school festival. But mtmw"
Person 1: "Ok... but that means you owe me 2 chicken sandwiches tomorrow!"
Person 2: "Deal!"
Person 2: "Oh thats today? Omg sorry man I have a student council meeting about the upcoming school festival. But mtmw"
Person 1: "Ok... but that means you owe me 2 chicken sandwiches tomorrow!"
Person 2: "Deal!"
by blxstxrz May 5, 2021
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