A male side bitch who is happy to tag along as a side bitch and nothing else. Females usually treat them as objects instead of human beings, but the side mitch doesn't care.
Tiffany: hey did you go over to joe's last night?
Emily: no, I was too busy hanging out with my side mitch.
Tiffany: oh my side mitch died from chlamydia last week. Can i borrow yours?