Someone who cheats on a girl/boy but always ends up with this one girl/boy that she/he says she/he loves but cheats on her. But he/she still can’t move on from that one person even after cheating multiple times
“Hey isn’t that isaiah hooking up with that girl”

“Yeah he is i thought he was supposed to be with his girl but he always cheats on her but she always takes him back, he’s in lerf
by Xodie June 16, 2019
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Lerf, used by annoying white girls everywhere to communicate how 'literally perfect' that thing on Instagram is!
"Omg Tiffany did you see Selena Gomez's new outfit?!"
"Yes omg Stephanie it's soooo lerf!"
by Lordpotatochip March 08, 2015
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Left-handed-Exclusionary Radical Feminist
LERFs don't interact!
by KalluHavumaki609 October 30, 2018
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Originally in a Vine by Vincent Marcus, a comedy/beatbox Viner , Lerf is the short version for the phrase 'Literally Perfect.' This word is commonly used by typical white girls .
"O. M. G. Brittany! Your hair is like so Lerf!!"
by xXTyrone_BrunnerXx May 07, 2015
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1) Another way of saying loaf.
2) In substitution for a square person.
1) Hey, where did you by that lerf???
1a) You fat fucken lerf!!!

2)You're such a lerf man.
by WolfClaw406 January 19, 2009
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