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A big greasy shit. The type of turd that when you are finished you realize that a shower would be more appropriate than toilet paper. The type of shit you get if you eat too much Mc Donalds.
The swamp ass probably wouldn't be as bad if I hadn't taken a big greasy slider after lunch.
by Big Dundooley May 11, 2005
People who show up to parties and don't pay for anything. They steal your beer and liquor without paying. You can spot a slider by hearing phrases such as:
"What kind of beer do you guys have?"
"Dude this party is awesome, can I have a beer?"
(walk in the door) "Next on the table"
(walk in the door) Amy: Hey guys sweet party
Chuck: ...thanks?
Amy: What kind of beer do you guys have? (holds a beer examining it)
Chuck: ...Keystone
Amy: Cool, next on the table!
Dave (to chuck): Sliders...
by SUUUWUUU February 16, 2010
the stem of a bong which contains the bowl. Once the bong is filled with smoke, you "slide" the slider out in order to clear the bong.
u better pull that slider out, you gotta lotta smoke filled up
by M feezy October 14, 2004
Hard breaking ball (curving pitch) which comes in looking like a fastball, then darts away at the last second. It is the best friend of most power pitchers in the game today.
Randy Johnson and Steve Carlton have some the greatest sliders anyone can ever remember of.
by Amaury Warfield September 30, 2005
In Britain, The Bristolian way of pronouncing Somerset's most famous beverage - cider.

This due to the fact that despite Bristol is one of the biggest and advanced cities in the UK, everyone there sounds like a farmer.
Bristolian 1: alright my babber (hello mate), you ant (havent) hadda (had a) booze (drink) yet ad' ya (have you)?

Bristolian 2: awww that'd be gurt lush (that would be very nice) i well fancy a slider (i would really like a cider)
by ben0304 July 31, 2011
Some one who backs you up in a fight
Bruh if i get jumped will you be my slider?
by Matthew askem November 17, 2013
A square shaped hamburger served at White Castle resturants.
Let's go get some sliders.
by twista719 May 30, 2006