Top Definition
true mileage unknown. a car term where the actual mileage is unknown. often used between guys to describe how a girl has been around with more guys then one could count.
Dude shes kinda cute but she is tmu.
by skinnyboyracing October 12, 2011
true mileage unknown
guy 1:shes hot
guy 2:no tmu
guy 1: whats that
guy2 true mileage unknown
by spankyjohnson May 30, 2005
Two best friends that are seperated in two different states and see each other at most 2 times a year. They share a brain and couldnt live without each other.
The tm!us need each other to survive all the hell in their towns.
by Alyssa , Jess' tm!U June 15, 2004
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