The act of trying to enter into the middle of a conversation two people are having. Usually saying "what happened?" or "who are we talking about?"

One can be let known he/she is side busting by one of the two people in the original conversation saying "Ouch, my side!"
Man, John is the worst at side busting, hes done it about three times today.

If one more person side busts into this conversation my hips are going to shatter.
by Jared Stencer December 14, 2009
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A Graffiti term used when a writer goes next to, not over, a tag/throw/straight, that has already been riding on that spot. If there is already a tag/throw/straight on a wall the best bet is to leave it because that person got the spot first. find your own spots toy.

complications vary from city to city, ask an established writer in your city what side busting is for more information.
I had a wall riding for a month, it got side busted, and buffed a week later.
by graffiti definitions July 22, 2022
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