Herfing the derf

It is discribed as "Fucking the fucked"; To have sexual intercourse with a fucked up person. May sound unusual in a way to make people just say: "Was that a threaten?" or Having no idea of what has been said..

DUDE!? I totally saw you and ashley herfing the derf with each other.

Parents: Did you do anything dirty in tha room?
Me: No? I was just Herfing The Derf
Parents: Oh Okay good?

by TheGuyWhoCanTalkLikeThis August 7, 2011

Derf

Someone who isn't very smart, and gives you the constant urge to want to hit them in the face with a toy Nerf gun when you look at them or when they speak.

Ugh! Ray annoys me everytime I hear him talk! He's such a derf, I swear!

by Hustle_OnFleek December 28, 2022

Derfed

Gettind owned, hazed, roasted, loosing in a humiliating way.

You just got derfed!

by Freddy777sw December 11, 2017

derf

derf is unit of measure that measures derfs

the equivalent of a derf is one derf

by lookandlineage January 1, 2021