mmwyc
MMWYC is simply "Message me when you can", shortened for the lazies of the world.
Alternatively, MWYC means "Message when you can"
Alternatively, MWYC means "Message when you can"
Person 1: Good night, MMWYC tomorrow!
Person 2: Okay, you MWYC too, ya hear?
Person 2: Okay, you MWYC too, ya hear?