slief 

a slutty thief

erin stole money, and sleep around therefore she is a slief

slief by B_EAST November 20, 2011

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

Slidfickle 

A euphemism for masturbation with lubrication.

Friend 1: Dude, I just found my dad's old porn magazines
Friend 2: Oh yeah?
Friend 1: I bought some lube and had the greatest slidfickle ever.

Slidfickle by enitnelavllij October 22, 2009

scief 

A scammer and a thief. Typically used when someone scams to steal something from you.

He scammed me and took my credit card. Yusuf is such a scief.

scief by rajt17 December 21, 2019

Slef

The slang word "slef" is an abbrevation of "Self" which is an abbrevation of "selvfølgelig". The danish word is a translation of the word "of course". The adjective is mostly used by street pimpz from the Aarhus area , Denmark and consists approximately 40% of their vocabulary.

Example 1.
A: Are you going to watch the match?
B: "Slef" I am.

Slef by asian truth November 5, 2013

Slimfast Wallet 

complete opposite of a fat wallet, a slimfast wallet is very slim or completely empty, not a good sign for the chicks.

Will: going out tonight with some girls, you down?
Steve: nah, cant, I got a Slimfast Wallet today
Will:you broke bastard!

Slimfast Wallet by Ya Boy Trax June 18, 2010

Siefer Math 

The math used to determine whether or not Outbound is up or down on cases.

Utilizing Siefer Math, Outbound cases are up 1,738 even though carton length was 25-inches with Scotts on three lines and big Sterilite on the other with tile and four-foot Philips coming through CCS.

Siefer Math by LLD-NLD-4419 June 22, 2018