When you are scratching your ass and a finger goes in.
When my friend scratches his ass, he likes to slip the finger.
by BlahGuide52003 January 14, 2021
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The digit you try to slip in your girl’s booty hole during vaginal intercourse. It either gets a welcome greeting or a mad dash for the exit.
I gave Rachel the old slip finger last night. Well that ended everything.

I took my changes with the slip finger on Cathy last night and she took two knuckles.
by Eaton Holgoode February 8, 2018
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This is an almost autonomous and impulsive urge to hover over the buy button on a Most Haunted Experience event. Before you know it you’ve booked another one. There is believed to be no cure for this....
I don’t know how I’ve done it I’ve just booked another MHE event, it must be slipped finger syndrome again
by Ghostie September 26, 2018
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