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!