Derry Helicopter

Swinging your flaccid penis in someone's face.

Cory Smith got a Derry Helicopter right in his face.

by chuidlofter July 3, 2025

Derf demon

Being very successful at having sex through your pants at BYUI

Chase is an absolute Derf Demon

by Nav boi November 10, 2025

Deefyla

A Deefyla is a human a person or a way to defile against something or to defile something. Usually through poetry or wrapping in a intelligent way to get a point across whilst exposing the agenda or establishment or person

Dee is guna come along and Defile you. She is a Deefyla.

by Baroness Brass November 24, 2025

Derry berry

2 blue balls that are crushed by two males at the same two This can also be considered a gay foursome at some times.

Damn boy you really derry berrying his shit right now

by Trqfecta December 12, 2025

Derpy

term for a lazy bum that never finishes and/or gets started on something even though they say that they will.

"You're so Derpy! You never do anything!"

"What happened to that thing you were working on? Don't be Derpy, you gotta finish it."

"That's so Derpy of you. You were supposed to start on that ages ago!"

by niffum4205 January 16, 2026

double derfenstein

When two men of germanic descent trip over something at exactly the same time.

Hans and Finn embarrassed themselves at the party when they double derfensteined over a wire.

by boomorangetang July 30, 2009

K-Derby

Noun: An abbreviation for Kentucky Derby,
A marijuana smoking game where you take a drag by preferred method of inhalation (joint, blunt, bowl, bong, vaporizer, etc..) as you are leaving your place of residence, you hold in the smoke until you arrive at your vehicle.

Warning: It is possible to pass out, so remember your consciousness is more important than winning the game. If you're a loser, that is.

Smoker #1: "Hey...wanna go get some t-bell?"
Smoker #2: "Obviously, do you wanna k-derby this dude?"
Smoker #1: "Absolutely, fantastic idea if I do say so myself. Off we go then."

by k@thyl& July 31, 2010