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To steal little or more items without being noticed at all, or even persuade or lie the item(s) into your hands. A person who steals too much, or lies abundantly.
Dog, your lighter just got slifered.
Don't slifer my food, man!
Why are you always such a slifer when we hang out?
Slifer by NIKKZOR December 11, 2007
Slifer is a legendary card in Yu-Gi-Oh, It's called Slifer the Sky Dragon.
The heavens twist and thunder roars, signaling the coming of this ancient creature, and the dawn of true power.
slifer by MidoX August 7, 2018

Slifer Slacker 

A person who tries to slack off in a card game.
Stop slacking off you slifer slacker!
Slifer Slacker by Mikethunders100 December 27, 2017

slifer the sky dragon

When a male with a dick of 12-15 inches paints it red and the wraps it around a females neck while snahing it tighter to simulate a serpent wraping around building.
Dylan gave kate a slifer the sky dragon.
slifer the sky dragon by herffish96 February 8, 2015

sniferific 

That gal is sniferific, I could eat her all night

sliver bitch 

1. A term derived from competitive multiplayer video gaming. Used to describe an opponent with such extremely low levels of life that their HP(hit point) bar appears to be empty with just a sliver of life left. Often, the term is expressed by a player who is chasing down and trying to dispatch a "sliver bitch" that is trying to make an escape with their last remaining HP.
Example 1:
*Playing League of Legends*

Player 1: Dude! Why are you running down the whole map!?
Player 2: Sliver bitch... almost got em!
*Player 2 has killed Player 4*
Player 1: Niiiiiicccceeee

Example 2:
*Playing Street Fighter*
Player 1: AHHH!!! Stop blocking, you sliver bitch, and meet your END!

Example 3:
*Playing Left 4 Dead*
Zombie Player 1: AH! I'm dead! Dude! Grab'em! There are 2 sliver bitches heading for the safe room!
Zombie Player 2: On it!
sliver bitch by Sliver Biatch October 15, 2011
More from Urban Dictionary

trucker's tan 

A sunburn or suntan focused on the left arm. It is caused by the left side of the body being the only half that gets exposed to sunlight while driving. Presumably, it would be located on the right side of the body in countries where they drive on the left side of the road.
I had a trucker's tan after driving for 10 straight hours on a sunny day.
Word of the Day on October 5, 2026
The phenomenon where adults salivate at children's toys
Every time I walk into the toy aisle, I catch myself kidulting over the latest action figures and LEGO sets!
kidulting by Emotional Cruiser October 12, 2025
Word of the Day on October 4, 2026
British slang for a scientist or technical expert, esp . when the speaker is not certain of the expert’s specific field of study. Not necessarily derogatory, but typically used by persons without a technical background. In the US, the equivalent would be “egghead”, “squint”, or “geek.”

Origin of the word is unknown. Started sometime in World War 2. Given the typical evolution of British slang, could easily have started because what these experts did was confusing or “baffling” to the common person.
According to the boffins downstairs, the murderer used a serrated blade.
Boffin by Agnon February 11, 2023
Word of the Day on October 3, 2026

Pee Calculus

When you have to pee in a movie but don’t want to miss anything, and must do the following mental equation: will the amount I have to pee cause enough discomfort to diminish my attention capacity for the remainder of the movie to an extent which is greater than the amount of the movie I would miss by making a mad dash to the restroom.
I saw Satantango last night, wonderful film but by the 5th hour I had to start doing pee calculus.
Pee Calculus by anorlondo October 1, 2026
Word of the Day on October 2, 2026
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