Jacksie

A Jacksie is a person who can manoeuvre their penis down between their legs, curling it around and inserting it into their own anus. Essentially it's the act of fucking yourself
"oh man, did you see Phil put his dick in his own ass the other day?!"

"Yeh, he's such a dirty Jacksie"
by Julesyyyyy June 04, 2018
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