Top Definition
The shared line/residential region between two boroughs (Dormont and Mt. Lebanon) in the Pittsburgh area of Allegheny County in the state of Pennsylvania. This area is most notably on two of Dormont/Mt. Lebanon's mainline streets, Scott Road and McFarland Road. These roads are two-lane "borough line" streets in which one lane is located in Dormont and the other in Mt. Lebanon. People who live within approximately three residential streets from either of these roads are from "Dormanon".
Your address is just off McFarland Road. So you live in Dormont or Mt. Lebanon?

I live in Dormanon.
by chikachikabawow November 13, 2011

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