To be a Slick-dick is to send a gift to your loved one that coincidentally arrives with near perfect timing. Not something that you planned, but nonetheless something that enhances the overall experience for your partner.

In this instance the appearance of being slick would be unjustified, thus you're a Slick-dick.
Stuart sending an Easter egg making kit to Susie for her April birthday made him a "dick". Sending rollerskates that arrived just as her existing plans unravelled made Stuart a "Slick-dick".
by Sharkey & Bubbles April 9, 2022
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An offensive term used to insult someone for being sneaky or slick. Occasionally used as flattery to describe a male player who sleeps with multiple women.
1. That Slick Dick motherfucker screwed me out of the deal!

2. "You slept with Sarah and Vicky?" "That's awesome, Slick Dick"
by Christopher Perkins May 16, 2008
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(Alternitive Definition)

A man whose penis appears as though it is slimy, greasy, or oiled up all the time. A penis that is shiny, when it really should not be. Often found on desperate perverts who take shameless dick-selfies.
Hey Mike, if you ever send me another picture of your slick dick, we are no longer friends
by Oxford Dicktionary October 7, 2013
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when ur doing it and there’s so much cum on your penis u can’t stick it in properly. there is no cure for this. once it’s slick...ur girl....or mom. can’t get the dick.
AW IM SORRY BABE I HAVE SLICK DICK AGAIN!”
by bust.down.thotianna🥴 March 5, 2019
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When a female seduces a male into sex.
That hoe slick dicked johnny last week. Yeah she slick dicking.
by Fvmous.chink March 9, 2015
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Slick Rick has a slick dick, so do girls with skates on who get stuck in a blow storm.
by Matt F April 16, 2004
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a rare, probably never been done sexual manuver when the guy is fucking a girl in the ass bareback from behind and without warning pulls out and sticks his shit lubed cock in her pussy, while raising his hands in peace signs akin to richard nixson and saying "i am not a crook"
person 1"dude dan was fucking sandy last night and he pulled off a silverdale slick dick"

person 2"no way, that shit has never been done"
by little jay January 10, 2008
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