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A sex position named after the district of Whalley, Surrey. Canada.

A Whalley Backalley is when you take two fingers and proceed to finger your partner's anus, followed by your anus, and then to your partner's mouth.
Hey bro, I heard Nato got Whallied (Short form for Whalley Backalley) by Egghead this weekend! Hahaha!
by FreakStyleNoStyle June 11, 2018
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