The mouth of that turkey is solely his. It’s very unique, so that mouth could belong to no other turkey but him. That mouth is solely his.
You traveled a long way to see this turkey and the mouth that is solely his but you missed your exit on the highway and you have to hang a U-ey (ゆい). You know what hang a U-ey means, right? It’s making a U-turn. Well, you have to hang a U-ey on the highway so you can get off at the right spot to see this turkey and the mouth that is solely his.