The act of having sexual intercourse with your partner (particularly a male), and you shit on their chest and make a U shaped design on their chest and turn around and leave the house.
Sean S: My boyfriend just gave me a Michigan U-turn last night. I was extremely distraught
Joseph M(Stands for McCrispy(with a large sprite)): Did you give him the Michigan Mcchicken?
When driving down a boulevard, and you want to turn left at an intersection, you have to go past the intersection, do a U-turn, go back and turn right. These are especially popular along boulevards in Michigan.
Too many idiots pulled out in front of traffic and caused accidents, so no you have to pull a Michigan Turnaround.