A slippy dick happens when a man has no intentions of having any intimate relations with a woman/man but ends up doing so. Mainly because the other person is not attractive enough to have sex with, but he just can't resist.
"So what happened after you left the party with that girl?"
"I got a slippy dick, you know how it is..."
"You really need to learn how to contain yourself, man."
by Sirbro March 22, 2019
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Belfast slang. Meaning sleekit, sly.
"here slippy tit, don't think I didn't see what you lifted there"
by Monathemillbag May 7, 2022
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1)Something that is quite far from the truth or has just slipped past the truth (like slippy beef)

2)Just beef that is slippy like a bannana skin or something.
"SMOKING CORNED BEEF!!, I just killed the dog!, I knew I shouldn't have fed it caviar!"

*wife walks in*

"Oh sweet mother of beef!, what have you done to Mr Snuffles!?"

*husband thinks of some slippy beef (thinks of a lie)*

"Seriously dear he had a heart attack, I heard him squealing and I came in as fast as I could, but Chuck Norris had already escaped!!"

*wife obviously thinks he's lost the plot*
by Captain Corned Beef April 28, 2008
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when your best friend poops in your mouth and then you shart it out into your other best friends mouth.
Katie that slippy stanley you gave the other day was phenomanal.
by Laurelana August 22, 2006
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