the friend that you bring with you to a hangout as a "third wheel" when you're unsure if the hangout is platonic or romantic in nature.
"This guy asked me to hangout but I don't know if he meant it as a date. I need you to be my spare tire so it's clear we're just friends." "Can you be my spare tire?"
by tunasub_backwards February 6, 2022
Get the spare tiremug. An extension of the Third wheel. A person who is in a room full of people who are either occupied by, or attained to the opposite sex. Usually tagged along as a "Spare tire," while couples or touchy friends cuddle during a movie, gala, event.
by Mrfantastic September 14, 2013
Get the spare tire datemug. When one person (said person can be single/taken/etc) hangs out with multiple couples at once, and can no longer be referred to as a “Third Wheel.” A “Third Wheel” usually applies to one person and ONE couple.
Person 1: “Yea man, I was at the movies with Shaun, Nick, and their girlfriends, it was pretty fun!”
Person 2: “You had fun? You weren’t even a “Third Wheel,” you hung out with two couples, that makes you a “Spare Tire.”
Person 3: “Hey!…Don’t worry man, you’ll find someone soon enough!”
Person 2: “You had fun? You weren’t even a “Third Wheel,” you hung out with two couples, that makes you a “Spare Tire.”
Person 3: “Hey!…Don’t worry man, you’ll find someone soon enough!”
by LookHoneyAnAbomination June 7, 2022
Get the Spare Tiremug. A term used to describe the midsection of an extremely fat and possibly homosexual man. It is a large, protruding ring of fat along the waste made especially visible when tight Adidas tops are worn by the person possessing it.
by JOBLO41 August 3, 2017
Get the Uncle D's Spare Tiremug.