Being tied onto the roof of a car after calling it, similar to shotgun, bitch, Gunner or Sam. Mir is to be used when excessively drunk and in possession of either a lot of Duct Tape or a lot of Rope
"Bruce thought Michael would call shotgun but he ended up calling Mir, we used up all our Duct Tape!"
by Almar Zamasee October 01, 2006