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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

proper lad 

a lad that is such a lad that he is a proper lad
person1:did you see bob
person2: ya he was a proper lad
Word of the Day on October 29, 2026
The number of years you are still sexually active
While our lifespan is the number of years we will live, our healthspan is the number of healthy years we will have and our sexspan is is the number of years we will continue to be healthy enough to continue having an active sex life.
sexspan by Dr Kat April 21, 2022
Word of the Day on October 28, 2026
A lighthearted reaction upon receiving disappointing news of some sort. Usually something that isn't a particularly a big deal, esp. when it primarily affects someone else - sort of a mild schadenfreude. Sometimes doubled or tripled, and possibly said in a sing-songy voice for added comedic effect to imitate a muted trumpet, which is how the meme originated.
You didn't get any napkins with your takeout pork fried rice? Womp womp.
womp by 175623226 November 3, 2011
Word of the Day on October 27, 2026
When your wife’s boyfriend let you sleep past 8pm 😎😎
Wife’s boyfriend: You have 5 more minutes
Me: Poggers!
Poggers by Just_Charles April 14, 2020
Word of the Day on October 26, 2026
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