(noun) The liquid left inside the top rim and/or inside of a soda can that won't come out upon finishing the drink.
After drinking my root beer, I attempted to sip the slef before throwing the empty can into the recycle bin.
by FryGuy May 31, 2015
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Did you smell that chicks slef at the party?

She was fingering her slef.
by Mr.Brightside666 January 20, 2007
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Short Little Evil Fucker! Also known as Stephen aka Butt Munchkin!!!
Man Stephen is such a SLEF!

Why?

Because he kicked my friends balls!
by e.bunny! December 14, 2009
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slef - abandoned objects that are sled worthy. Ie. leftover squares of fencing & trash can lids.
Yo Ange, I found a slef!
by Phelangelina February 6, 2010
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V. To make an idiot of yourself on purpose to try to gain attention.

V.2 to fail at something with much embarrassment on one's own behalf. see: EPIC FAIL FAIL

N. a (self) purposeful failure

N. self-idiot who injures pride of self beings including oneself
(n)Dude, peeing on that electric fence was a total slef.

(v)My mother sleffed herself by pretending to stub her toe in front of dad..
by daughteroftheKing February 24, 2011
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(noun) Misspelling of “self”.
“It’s truly hard to know one’s slef.”
by MaybeARealWord April 1, 2021
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A pesky little blighter who often appears when typing self.They pop up at innopportune mements and are easily missed, and surprisingly some peeps take offencew at the harmless little slefs
my slef I do jnot really care!
by slef2003 October 29, 2023
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