1. Someone or something that seems to be behind you everytime you turn around, as if they are mounted to your ass.
2. A person who always has to do everything with you even though you don't want them to.
3. A pet that constantly follows you around the house and gets in your way.
1. "Get the hell off me you Ass Mount."
2. "Stop being suck an Ass Mount and get your own damn life."
3. "Dude, your dog is such an Ass Mount, every where I go I'm tripping over him."