Top definition
When one person sticks a wet finger into the anus of another person.
Usually used to intimidate or to get revenge.
Similar to a wet-willy, but more anal.
Bro #1: Dude, I heard that he just stole your gf!
Bro #2: That's it, I'm going to go give him a slippery-do-dog!
by slipperyday February 14, 2014
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