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Potomac Falls, or "Pot Falls" as some may know it, is an imaginary city in Virginia that people who live in areas like Lowes Island like to say they live in so that nobody associates them with Sterling.
Man - "Where do you live?"

Lowes Islander "I live in Potomac Falls"

Man - "Oh! I like Sterling, that's a nice area"

Lowes Islander - (annoyed) "Nooo, Potomac Falls"

Man - "Bitch, you live in Sterling VA!" "Get over yourself!"
by Jalepeno Jermaine January 28, 2014